Take Test: #3× jsp?course QUESTION 10 An instructor grades as follows erams, 20%

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Take Test: #3× jsp?course QUESTION 10 An instructor grades as follows erams, 20%, term paper, 30%, final exam, 50% A student had grades of 83, 72, and 90, respectively, for exams term paper and final exam. Find the students final average. Use the weighted mean Please round to one decimal place with a percentage sign at the end (ex:57.3%) If you enter it incorrectly, it will be marked wrong QUESTION 11 For the following situation, state which measure of central tendency - mean, median or mode - should be used One-half of the factory workers make more than $5.37 per hour, and one-half make less than $5.37 per hour QUESTION 12 For the following situation, state which measure of central tendency -mean, median or mode- should be used The average number of chidren per family in the Plaza Heights Complex is 1.8 to save and n to save all answers Save All Answers Close Win

Explanation / Answer

Answer to the questions as below:

10. Weighted average is :

83*.20 + 72*.30 + 90*.50 = 83.3

SO, 83.3% is the right answer

11.
The information shows that distriubtion mentions 5.37 as the 50th percenitle. So, use median

12.

Here' the word average means taking a "Mean". So, we have used Mean.

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