Assessment Instructions

Answer the questions below, following the Submission Requirements as specified at the end of the assessment.

Assessment ConceptsQuestionTopicQuestion 1Ballpark and Exact MedianQuestion 2Mode, Median, Mean, and SkewQuestion 3Range, Variance, and Standard DeviationQuestion 4SPSS: Range, Variance, and Standard DeviationQuestion 5Percent Area and the Normal CurveQuestion 6z ScoresQuestion 7SPSS: Central Tendency and Z ScoresQuestion 8Mutually Exclusive OutcomesQuestion 9Addition and Multiplication TheoremsQuestion 10Probabilities: Dichotomous EventsQuestion 11Probabilities: Using the Binomial Table

Question 1

Fifty employees were surveyed on their overall job satisfaction on a scale of 1 (not at all satisfied) to 10 (extremely satisfied). Using the below data, calculate the following:

Job SatisfactionJob Satisfaction ScoreFrequency10298813710675442322111

Question 2

Given the following data set:

4, 2, 2, 2, 1, 1, 4, 5, 1, 3, 3, 3, 1, 2, 2, 2, 1, 4, 4, 3, 3, 2, 1, 2, 1.

Find the:

Are these scores normally distributed, positively skewed, or negatively skewed? Do you expect the mean to be higher or lower than the median?

Question 3

Consider the following set of scores taken from a sample of students:

3, 45, 4, 41, 14, 75, 40, 11, 9, 5, 21, 61, 48, 61, 29, 51, 44, 67, 39, 23, 45, 57, 60, 63, 62.

Find the following:

Be sure to show your work.

Question 4

Complete the following steps:

Question 5

Consider the mean combined SAT score for high school seniors is 1500, and the standard deviation is 250. Calculate the percentage of students who scored at the following levels:

Question 6

For homes sold in the past year, the average number of days on the market (DOM) was 266 days. During this time, DOM was normally distributed, with a standard deviation of 12 days. The Carmichaels sold their house in 245 days. Using the Area Under Normal Curve Table document linked in the Resources under the Required Resources heading, what percentage of homeowners:

Question 7

Complete the following steps:

Question 8

Consider the following events. If the outcomes are mutually exclusive, type “yes.” If the outcomes are not mutually exclusive, type “no.”

Question 9

Consider the following events. If the addition theorem applies, type “AT.” If the multiplication theorem applies, type “MT”:

Question 10

Jane flips a coin 10 times, and each time it lands on heads. What is the probability that the 11th flip will land on heads as well?

Question 11

You have drawn nine cards. Using the Probability Binomial Table linked in the Resources under the Required Resources heading, calculate the following probabilities:

Submission Requirements

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