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The following distribution of scores shows respondents’ scores on a chemistry quiz. What is the mean of this frequency distribution?  X   f  10 3 9 0 8 2 7 2 6 1 5 2

The sum of the squared deviation scores is SS = 72 for a population of N = 9 scores. What is the standard deviation for this population?

Compute the sum of squared deviations (SS) for the scores in this sample: 6, 8, 0, 10

The mean score of life satisfaction in my sample was M = 15, s = 2.5. If I multiplied every life satisfaction score by 4, what would the transformed life satisfaction mean and standard deviation be?

Find the range for these scores: 11, 15, 5, 3, 8, 7, 14, 4, 9, 10, 12, 6

Which statement determines if set x is a proper subset of set y?

Consider the following code segment:data = {“A”: 65, “B”: 66, “C”: 67} data[“D”] = 68 print(len(data)) What is displayed when this code segment is executed?

Consider the following code segment:primes = {2, 3, 5, 7} odds = {1, 3, 5, 7} x = primes.issubset(odds) What value will be stored in x after it has executed?

What is the value of x after the following code segment executes?x = {1, 2, 3} x.add(1)

Which code segment creates a dictionary with keys that are integers and values that are lists?