Complete parts (a) and (b). a. If three students scored 70 on a test and three other students scored 87 on the same test, find the mean, median, and mode for the test scores. b. The mean score on a set of 18 tests is 79. What is the sum of all the test scores?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Complete parts (a) and (b).
a. If three students scored 70 on a test and three other students scored 87 on the same test, find the mean, median,
and mode for the test scores.
b. The mean score on a set of 18 tests is 79. What is the sum of all the test scores?
a. The mean of the test scores is 78.5.
(Round to one decimal place as needed.)
The median of the test scores is 78.5.
(Round to one decimal place as needed.)
Find the mode of the test scores. Select the correct choice below and, if necessary, fill in the answer box to complete
your choice.
A. The mode of the test scores is
B. The modes of the test scores are 70,87 .
(Use a comma to separate answers as needed.)
C. There is no mode for the test scores.
b. The sum of all the test scores is
Transcribed Image Text:Complete parts (a) and (b). a. If three students scored 70 on a test and three other students scored 87 on the same test, find the mean, median, and mode for the test scores. b. The mean score on a set of 18 tests is 79. What is the sum of all the test scores? a. The mean of the test scores is 78.5. (Round to one decimal place as needed.) The median of the test scores is 78.5. (Round to one decimal place as needed.) Find the mode of the test scores. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The mode of the test scores is B. The modes of the test scores are 70,87 . (Use a comma to separate answers as needed.) C. There is no mode for the test scores. b. The sum of all the test scores is
Expert Solution
Step 1: Given information:

Part a:

Three students scored 70 on a test. 

Three students scored 87 on the same test. 

The total number of students is 3 plus 3 equals 6

Part b:

The total number of test is 18. 

The mean score of these tests is 79. 

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