Question

The following data set represents students' scores on a quiz. The best possible score was a...

The following data set represents students' scores on a quiz. The best possible score was a 20. Use the data to generate answers to the next eight (8) questions (Q28-Q35).

4, 4, 10, 12, 2, 20, 5, 12, 12, 5, 9, 9, 20, 13, 6, 6, 15, 15, 15, 15

What is the mean? (Round all answers for this question to the hundredths place - X.XX)

What is the median?

What is the mode?

What is the range?

What is the variance?

What is the standard deviation?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Using R, answer the following question. The accompanying data set contains quiz scores for 12 students...
Using R, answer the following question. The accompanying data set contains quiz scores for 12 students in a chemistry class: 18, 15, 5, 8, 15, 20, 2, 16, 10, 12, 20, 15. Find a measure of central tendency that separates the data into two groups such that each group consists of 50% of the scores above and 50% of the scores below that measure. Find a measure of central tendency that represents the average of the 12 quiz scores. Find...
Here is the data set for quiz scores for the students who enroll the Economics 101....
Here is the data set for quiz scores for the students who enroll the Economics 101. 13 14 14 17 15 18 14 18 19 19 20 20 22 22 23 13 9 11 14 14 16 Find the median score of this quiz.
Given the following sample data set (30 quiz scores), answer the following questions below. 1, 3,...
Given the following sample data set (30 quiz scores), answer the following questions below. 1, 3, 3, 3, 4, 4, 5, 6, 6, 7, 9, 9, 9, 9, 10, 11, 12, 14, 16, 17, 17, 17, 18, 19, 21, 23, 23, 26, 26, 27,             18a.     Complete the grouped frequency distribution.                                   (6 points)                                     Q20.              Q21.              Q22.  Q23.           Q24.           Q25.   Interval         Real limits        Midpoint                f              Cf                r%                   c% 1-5                          6-10 11-15 16-20 21-25 26-30          Q26.         18b. What score is associated with the 90th percentile?                                 (1 point)      Q27.         18c. What percentage of scores fall between (and including)...
Here is the data set for quiz scores for the students who enroll the Economics 101....
Here is the data set for quiz scores for the students who enroll the Economics 101. 13 14 14 17 15 18 14 18 19 19 20 20 22 22 23 13 9 11 14 14 16 In last semester, the average score for the same quiz was 18.1. With 90% confidence, what conclusion can be reached about how the true current mean score compares to last year?
The table below shows the scores of a group of students on a 10-point quiz.   ...
The table below shows the scores of a group of students on a 10-point quiz.    Test Score Frequency 3 3 4 3 5 5 6 2 7 2 8 3 9 0 10 2 The mean score on this test is: The median score on this test is:
Nadiya’s statistics class had their first quiz. She collected a sample of scores from 8 random...
Nadiya’s statistics class had their first quiz. She collected a sample of scores from 8 random classmates. The scores she collected are 7, 8, 8, 10, 11, 11, 12, 12 What is the mean score? What is the range of scores? What is the median score? What are the variance and standard deviation of the scores?
The following is data for the first and second Quiz scores for 8 students in a...
The following is data for the first and second Quiz scores for 8 students in a class. First Quiz Second Quiz 10 12 11 13 19 17 24 18 25 19 34 34 44 38 47 41 Plot the points in the grid below. 51015202530354045505101520253035404550 Clear All Draw: Dot Draw the best fitting trend line for the data on the grid below. For line click on the line button. Click and release at a starting point, move to the ending...
The following is data for the first and second Quiz scores for 8 students in a...
The following is data for the first and second Quiz scores for 8 students in a class. First Quiz Second Quiz 12 8 13 14 23 17 35 31 40 33 42 40 49 40 50 41 Predict the value of the second quiz score if a student had a score of 44 on the first test.
The following data gives the scores of 13 students in a Biostatistics exam. 75 80 28...
The following data gives the scores of 13 students in a Biostatistics exam. 75 80 28 70 95 82 75 64 61 90 81 65 91 a) Find the following statistical measures 1. Mean 2. Median 3. Mode 4. Range 5. 34th percentile 6. Interquartile Range 7. Variance 8. Standard deviation PRINCIPLES OF STATISTICS Assignment (1) Due Date: 15/7/2020 9. Coefficient of variation. b) (Without Calculations) If the instructor decide to add up 5 marks for every student, what are...
Here is the data set for quiz scores for the students who enroll the Economics 101....
Here is the data set for quiz scores for the students who enroll the Economics 101. 13 14 14 17 15 18 14 18 19 19 20 20 22 22 23 13 9 11 14 14 16 Using the five number summary, describe (1) the shape, (2) appropriate central tendency, (3) appropriate dispersion method, & (4) any extreme value of the data.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT