47 Best Statistics Questions and Answers (Q&A) - ProProfs Discuss

Bergeront Tiffney, Computer Engineer
Answered: May 01, 2019

Age is classified as nominal data.
Nominal data is a type of data that is commonly used to name variables. They can have numbers assigned to them just like ages, the pinned number on a...Read More

3 Answers

2514 views

What is the standard deviation for this sample data?

C. Bernthal, Teacher
Answered: Mar 07, 2019

To find the standard deviation for this ample data where 5 journeys differ from the mean, each deviation must be taken separately. The total must be added and then dvided by 5, i.e. the number of...Read More

2 Answers

1523 views

What is the median in the following numbers: 19, 21, 18, 17, 18, 22, 46?

Ritusingh
Answered: Mar 07, 2019

To calculate median the formula is (N+1)/2 th score ,in this case because the N is an odd no. so it will be
(7+1)/2=8/2 =4th score i.e 17 so the answer is 17 not 19

2 Answers

1513 views

What are the correct terms for taking of the medication and the growth of hair in the following study? You are conducting a study to see whether a new experimental medication will...

John Smith
Answered: Apr 19, 2024

The medication is the independent variable, and the hair growth is the dependent variable.

The independent variable does not depend on anything else in the experiment. Thus, whether the...Read More

3 Answers

1368 views

Is it true that the number of avocadoes produced by my avocado tree each year is continuous data?

O. Bickis, Corporate employee
Answered: Jan 28, 2019

In Statistics, continuous data is that which has no limits. It can really be any number. For example, how tall a person is would be considered to be an example of continuous data. Therefore,...Read More

3 Answers

1360 views

Can you find the mean in the following numbers: 19, 21, 18, 17, 18, 22, 46?

M_raza
Answered: May 16, 2017

23 because 19+21+18+17+18+22+46=161*7=23

3 Answers

1335 views

What sort of data is the distance that a cyclist rides each day?

Joeldodd
Answered: Apr 19, 2024

Continuous

1 Answer

1273 views

What is the median of the following set of numbers? {12,8,13,4,7,6,3,3,15} A. 12 B. 8 C. 7 D. 7.5

John Smith
Answered: Apr 19, 2024

7.5
First, put the numbers in order from least to greatest. Then pick the number that is in the middle of the newly ordered set. The middle number of the newly ordered set is 7.

5 Answers

1250 views

Is it really true that statistics is useless, since you can design an experiment to statistically prove anything you want to prove?

John Smith
Answered: Apr 19, 2024

False

While its true that you can design an experiment to statistically prove just about anything you want to prove, such an experiment would have to be very poorly designed, and...Read More

1 Answer

1116 views

What is the mode and the mean for the following set of numbers {4,9,8,2,16,4,4,8,9,6}? A. Mean = 7, mode =8 B. Mean = 7, mode =4 C. Mean = 6, mode =8 D. Mean = 8, mode =9

John Smith
Answered: Apr 19, 2024

Mean = 6, mode =8
Mean is found by adding all the numbers together and dividing by the number of digits in the set. 4+9+8+2+16+4+4+8+9+6 =70/10 = 7 = mean Mode is the number that is repeated...Read More

3 Answers

1099 views

Why is it sometimes easier to use a frequency table to interpret data than to examine a distribution of raw scores?

Iluvromance
Answered: Apr 19, 2024

Frequency tables display patterns, organizing the data by how often each score occurs.

1 Answer

977 views

What would be the mean of the following numbers: 19, 21, 18, 17, 18, 22, 46?

Gurpreet
Answered: Sep 08, 2019

The mean of these numbers is 23. ...Read More

2 Answers

882 views

Which of the following are true statements for back-to-back stemplot? A. The distributions have the same mean. B. The distributions have the same range. C. The distributions have...

V. Barnes
Answered: May 10, 2018

II. The distributions have the same range.
III. The distributions have the same standard deviation. A back-to-back stemplot is basically used for numerical data where two sets of data...Read More

2 Answers

760 views

What is the mean in the following numbers: 36, 38, 33, 34, 32, 30, 34, 35?

John Smith
Answered: Apr 19, 2024

1 Answer

717 views

What does the correlation coefficient of "-1.09" indicates?

E.Barrington
Answered: Dec 14, 2017

The correlationcoefficient is denoted by the term "r".if the correlation coefficient is 1>Equal to 0, then it means linear relationship. 2>Negative,then the relation between two coe...Read More

1 Answer

686 views

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