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Discussion forum for Statistics for Data Science I

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Dear Candidates

Welcome to the course!!

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Thank you!!

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Nandni Gupta, Statistics 1 Support 12

11/18/20

Hello, As you can always count the number of coupons, it will come under the discrete variable.

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Hello, As you can always count the number of coupons, it will come under the discrete variable.

11/18/20

Saghana Shree, … Nandni Gupta4

11/18/20

DOUBT : Q NO. 17 MOCK TEST

yeah thanks :) On Wednesday, November 18, 2020 at 4:53:11 PM UTC+5:30 Nandni Gupta wrote: their they

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DOUBT : Q NO. 17 MOCK TEST

yeah thanks :) On Wednesday, November 18, 2020 at 4:53:11 PM UTC+5:30 Nandni Gupta wrote: their they

11/18/20

Tejasvi Hegde, … CG6

11/18/20

Mock Test Q5, why the difference has to be 40-55 ? why cant it be any other value ?

relative frequency of x - relative frequency of z = 0.06 [This is what the question says ] In the

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Mock Test Q5, why the difference has to be 40-55 ? why cant it be any other value ?

relative frequency of x - relative frequency of z = 0.06 [This is what the question says ] In the

11/18/20

Tejasvi Hegde, … Pragati Mungekar4

11/18/20

Mock Test Q4 Bi-Serial why is Population SD used ?

Dear Support Team, This is too early to make an announcement for the next 2021 Qualifier Exam to be

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Mock Test Q4 Bi-Serial why is Population SD used ?

Dear Support Team, This is too early to make an announcement for the next 2021 Qualifier Exam to be

11/18/20

Deepshikha Sharma, … Shinas MN8

11/26/20

Query about Point bi-serial correlation coefficient

So in short in shift 2 stat bi-serial ...Should we take N or N-1when we multiply it with root p0*p1?

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Query about Point bi-serial correlation coefficient

So in short in shift 2 stat bi-serial ...Should we take N or N-1when we multiply it with root p0*p1?

11/26/20

yugesh maitreyan, … Statistics 1 Support 13

11/18/20

Expert/teacher guidance needed

Hello, You can use the sample standard deviation for calculating the point bi-serial coefficient, but

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Expert/teacher guidance needed

Hello, You can use the sample standard deviation for calculating the point bi-serial coefficient, but

11/18/20

Brajesh Kedia, … REKHA T R8

11/20/20

Mock Test - Stem and Leaf

I request any of the support members to answer this question fast.... This is a highly discussed

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Answeredbystudents

Mock Test - Stem and Leaf

I request any of the support members to answer this question fast.... This is a highly discussed

11/20/20

Vedansh Verma, … Statistics 1 Support 14

11/17/20

Can anyone give the solution of this question?

Hi, First find the value of x, y, and z by using relative frequency and given information. then see

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Can anyone give the solution of this question?

Hi, First find the value of x, y, and z by using relative frequency and given information. then see

11/17/20

Vinay Vikram, … Statistics 1 Support 13

11/17/20

Doubt in Mock Test Question no. 10

Hi, use the formula of a standard deviation when the frequencies of each data point are given.

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Doubt in Mock Test Question no. 10

Hi, use the formula of a standard deviation when the frequencies of each data point are given.

11/17/20

Pragati, Statistics 1 Support 12

11/17/20

Stats Mock test

Look at each option and try to figure out which key will give you exactly 9 stems. Regards, Nitin Jha

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Stats Mock test

Look at each option and try to figure out which key will give you exactly 9 stems. Regards, Nitin Jha

11/17/20

AJEET KUMAR, Vinayak Kumar2

11/16/20

mock test (statistics)

check this hope it helps On Tue, Nov 17, 2020 at 12:33 AM AJEET KUMAR <ajeetku...@gmail.com

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Answeredbystudents

mock test (statistics)

check this hope it helps On Tue, Nov 17, 2020 at 12:33 AM AJEET KUMAR <ajeetku...@gmail.com

11/16/20

Shayan Chakraborty, Statistics 1 Support 12

11/17/20

Mock Test Question 4

Hi, That is the range. Any number in this range will be considered as the right answer. Thanks Nitin

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Mock Test Question 4

Hi, That is the range. Any number in this range will be considered as the right answer. Thanks Nitin

11/17/20

Shayan Chakraborty, Statistics 1 Support 13

11/17/20

Mock Test Question 17

Hi, Median or 50th percentile will lie between Q1 and Q3 (Can be equal too) but need not be equal to

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Mock Test Question 17

Hi, Median or 50th percentile will lie between Q1 and Q3 (Can be equal too) but need not be equal to

11/17/20

11/13/20

question 14 Mock test

I have doubt in the question 14 of the Mock test please if any one can explain.

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question 14 Mock test

I have doubt in the question 14 of the Mock test please if any one can explain.

11/13/20

gorthi lakshmisahitya, Statistics 1 Support 12

11/13/20

Hi, Please refer to the following conversation: https://groups.google.com/u/1/a/nptel.iitm.ac.in/g/

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Hi, Please refer to the following conversation: https://groups.google.com/u/1/a/nptel.iitm.ac.in/g/

11/13/20

Sanjay Venki, Statistics 1 Support 12

11/13/20

Mock -question 1

Hi, the formula he uses to calculate the angle for the frequency of the tenth observation is given.

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Mock -question 1

Hi, the formula he uses to calculate the angle for the frequency of the tenth observation is given.

11/13/20

Sofia Sagar, Statistics 1 Support 15

11/13/20

mock test question 13

---------- Forwarded message --------- From: Sofia Sagar <k.sofi...@gmail.com> Date: Fri, 13

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mock test question 13

---------- Forwarded message --------- From: Sofia Sagar <k.sofi...@gmail.com> Date: Fri, 13

11/13/20

Sofia Sagar, Statistics 1 Support 12

11/13/20

DOUBT: Mock Test Question No: 9

Hi Maybe, you are making some calculation mistakes. It will come positive. One way to answer that

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DOUBT: Mock Test Question No: 9

Hi Maybe, you are making some calculation mistakes. It will come positive. One way to answer that

11/13/20

Sofia Sagar, … Akshay Malik6

11/17/20

mock test question 17

There can be no inference made on the MODE just by analyzing the BOX PLOT without the actual data.

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mock test question 17

There can be no inference made on the MODE just by analyzing the BOX PLOT without the actual data.

11/17/20

Bubu Roy, Statistics 1 Support 12

11/13/20

send me the solution and explanation of mock test question no.14

Hi, Arrange the data in increasing order and try to check from each option when we can have exactly 9

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send me the solution and explanation of mock test question no.14

Hi, Arrange the data in increasing order and try to check from each option when we can have exactly 9

11/13/20

Anitta Antony, … Statistics 1 Support 15

11/13/20

Hi, Refer to the following conversation: https://groups.google.com/u/1/a/nptel.iitm.ac.in/g/ma1002-

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Hi, Refer to the following conversation: https://groups.google.com/u/1/a/nptel.iitm.ac.in/g/ma1002-

11/13/20

Vijender Singh, … ramasubramanian raman9

11/14/20

Statistics | Mock Test | Question 13

Dear Sri Satya Mohapatra I agree with you. But, as per given data number of students in class c will

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Answeredbystudents

Statistics | Mock Test | Question 13

Dear Sri Satya Mohapatra I agree with you. But, as per given data number of students in class c will

11/14/20

Rajesh Saha, … Sanjaykumar13

11/13/20

Nice : ) On Friday, November 13, 2020 at 1:52:29 PM UTC+5:30 Rajesh Saha wrote: On Friday, 13

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Nice : ) On Friday, November 13, 2020 at 1:52:29 PM UTC+5:30 Rajesh Saha wrote: On Friday, 13

11/13/20

Priyanshu Singh, Statistics 1 Support 12

11/13/20

Hi, You need not arrange data in the increasing order of frequencies. Arrange the data values in its

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Hi, You need not arrange data in the increasing order of frequencies. Arrange the data values in its

11/13/20

sareena sanil, … Statistics 1 Support 15

11/13/20

doubt in mock test question 8

Yes, We see the value of the median. The position is always the middle position. Thanks, Nitin Jha

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doubt in mock test question 8

Yes, We see the value of the median. The position is always the middle position. Thanks, Nitin Jha

11/13/20

Rajesh Saha, … Nitin Kumar Jha6

11/13/20

Hi, Yes Sareena, You are right. Since both 125th and 126th values are the same so, the median will be

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Hi, Yes Sareena, You are right. Since both 125th and 126th values are the same so, the median will be

11/13/20

Rajesh Saha, … Statistics 1 Support 19

11/13/20

Hi, Why are you saying that the median is 7.5? It is 8. Median is not denoted in the boxplots. Thanks

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Hi, Why are you saying that the median is 7.5? It is 8. Median is not denoted in the boxplots. Thanks

11/13/20

Shreya Chakraborty, … Anand Iyer4

11/13/20

The range is the difference between the smallest data point and the largest. A sample is a subset of

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The range is the difference between the smallest data point and the largest. A sample is a subset of

11/13/20

Shreya Chakraborty, Nitin Kumar Jha2

11/13/20

Hi Shreya In question 1, the formula he uses to calculate the angle for the frequency of the tenth

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Hi Shreya In question 1, the formula he uses to calculate the angle for the frequency of the tenth

11/13/20

Vaibhav singh, Statistics 1 Support 12

11/13/20

Graded Assignments questions in Qualifier

Hi, No, questiions from graded assignment will not come as such but contents of all four week will be

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Graded Assignments questions in Qualifier

Hi, No, questiions from graded assignment will not come as such but contents of all four week will be

11/13/20

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