An instructor told Irma's class she would drop the lowest test score as measured by z scores Irma's scores, means, and standard deviations are given below Which of the four tests should be dropped Irma's Score Mean Standard Deviation Test 1 74 77 6 Test 2 81 91 5 Test 3 68 70 6 Test 4 90 93 2 For boxplots A, B, and C Which frequency distribution(s) is (are) negatively skewed Which frequency distributions have equal ranges Which frequency distribution has a 25th percentile score of 4 What is the mean of distribution C What is the median of distribution A

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Question: An instructor told Irma's class she would drop the lowest test score as measured by z scores. Irma's scores, means, and standard deviations are given

An instructor told Irma's class she would drop the lowest test score as measured by z scores. Irma's scores, means, and standard deviations are given below. Which of the four tests should be dropped?

	Irma's Score	Mean	Standard Deviation
Test 1	74	77	6
Test 2	81	91	5
Test 3	68	70	6
Test 4	90	93	2

For boxplots A, B, and C:

Which frequency distribution(s) is (are) negatively skewed?
Which frequency distributions have equal ranges?
Which frequency distribution has a 25th percentile score of 4?
What is the mean of distribution C?
What is the median of distribution A?

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