What is the sample variance

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Reference no: EM132857457

Please round answers to two decimal points

1) What is the mode of this number set? 36, 88, 34, 88, 54, 37, 65

If your answer is "there is no mode" then enter 0 as your answer; if your answer is that there are multiple modes, then enter the lower mode, then a decimal point, then the higher mode (like 11.92)

2) If you're working with this set of squared deviations: 49, 36, 0, 9, 100

What is the sample variance?

3) Please select the correct level of measurement for this variable:

your favorite brand of coffee

A.nominal

B.interval/ ratio

C. ordinal

4) Which of the following frequency distributions would be best for graphing:

A grouped distribution of the incomes of various employees, with 7 data points

A. Histogram

B. bar graph

C. frequency polygon

5) A researcher wants to know which taco recipe-a mild one, a medium one, or a hot/spicy one-will sell the most tacos during the summer.

Which variable is the independent variable?

A. the level of spice in the taco recipe

B. the number of tacos sold

C. the season of the year

D. There is no independent/dependent variable involved here, because this is a correlational study.

Reference no: EM132857457

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