Question

Asked Nov 4, 2019

The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set.

1212,

1818,

2323,

1414,

1515,

1818,

1919,

1616,

1313,

1616

The range is

1111.

(Simplify your answer.)

The mean is

16.416.4.

(Simplify your answer. Round to the nearest tenth as needed.)

The variance is

nothing.

(Simplify your answer. Round to the nearest hundredth as needed.)

The standard deviation is

nothing.

(Simplify your answer. Round to the nearest tenth as needed.)

Step 1

Hi, here the data is repeated twice. Hence, consider the below data for further calculations.

Data is 12, 18, 23, 14, 15, 18, 19, 16, 13, 16.

Use the below steps to obtain the range, mean, variance, and standard deviation by using Excel.

- In Excel sheet, enter
**Data**in one column. - In
**Data**, select**Data Analysis**and choose**Descriptive Statis...**

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