stats

Dwayne has just received his monthly credit card statement. He placed 8 charges on his card in the last month with a mean of $30.58 per charge. He knows that 7 of the charges were as follows: $28.44,$26.53,$32.63,$26.45,$31.24,$28.03,$25.92 Determine the amount of the 8th charge.

$45.40

Suppose you used the sum of the differences from the mean to calculate the variance rather than using the sum of squared differences. What value would you always get for the sum of unsquared differences for each data value from the mean?

0

Consider the following data: 6,10,6,10,14,14 Step 3 of 3: Calculate the value of the range.

8

Consider the following data: 8,8,3,8,3,3,9 Step 3 of 3: Calculate the value of the range.

6

Consider the following data: −13,2,−15,6,10,−8 Step 2 of 3: Calculate the value of the sample standard deviation. Round your answer to one decimal place.

10.4

Consider the following data: −13,2,−15,6,10,−8 Step 1 of 3: Calculate the value of the sample variance. Round your answer to one decimal place.

108.8

Consider the following data: 6,10,6,10,14,14 Step 1 of 3: Calculate the value of the sample variance. Round your answer to one decimal place.

12.8

Consider the following data: 8,8,3,8,3,3,9 Step 2 of 3: Calculate the value of the sample standard deviation. Round your answer to one decimal place.

2.8

Consider the following data: −13,2,−15,6,10,−8 Step 3 of 3: Calculate the value of the range.

25

Consider the following data: 6,10,6,10,14,14 Step 2 of 3: Calculate the value of the sample standard deviation. Round your answer to one decimal place.

3.6

Find the 10% trimmed mean of the following data. If necessary, round to one more decimal place than the largest number of decimal places given in the data. Lengths of Longest 3-Point Kick for NCAA Division 1-A Football 29 30 31 32 32 32 42 44 46 46 47 48 50 50 51 52 53 54 57 59

44.4

Consider the following data: 8,8,3,8,3,3,9 Step 1 of 3: Calculate the value of the sample variance. Round your answer to one decimal place.

8.0

Determine if there is an outlier in the given data. If yes, please state the value(s) that are considered outliers. 41,55,29,1,30,23,9,37,6,23,18,54,6,46 If more than one outlier exists, enter the values in the box, separating the answers with a comma. Selecting an option will enable input for any required text boxes. If the selected option does not have any associated text boxes, then no further input is required.

No Outliers

Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. The rankings of three books on the New York Times Best Sellers List.

Qualitative, Neither, Ordinal

Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. The total weight of sugar imported by the United States each day for a year.

Quantitative, Continuous, Ratio

Select the word or phrase that will correctly complete the statement. A/An is a marker that divides a set of data into four equal parts.

quartile