How do you find the range of a data set?

The sum of the maximum and the minimum, divided by two

Upper class boundary minus lower class boundary

The number of calories in a 1-ounce serving of ten popular breakfast cereals is shown below. Apple Jacks - 116 Cap'n Crunch - 119 Cheerios - 106 Life - 104 Rice Krispies - 110 Froot Loops - 113 Kellogg's Corn Flakes - 101 Kellogg's Raisin Bran - 89 Lucky Charms - 106 Trix - 110 Find the range, sample variance, and sample standard deviation of the data.

30 calories, 72.04, 8.5 calories

30 calories, 1113.45, 33.4 calories

27 calories, 72.04, 8.5 calories

30 calories, 72.04, 5189.8 calories

A and B are both sets of ratio-level data. A has a mean of 12 and a standard deviation of 0.6. B has a mean of 6 and a standard deviation of 0.4. --- Use the Coefficient of Variation to determine which set has more variation.

It is impossible to tell with this information

04 Measures of Variation Unit Review

Authored by Matthew Kilgore

Mathematics

11th Grade - University

CCSS covered

Used 41+ times

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40 questions

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MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The deviation (d_x) of a data point "x" is...

The value of that data point minus the mean

The mean minus the value of that data point

The value of that data point minus the median

The median minus the value of that data point

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Σd=

SS_x

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Σ(d²) =

SS_x

What is the symbol for population variance?

σ²

s²

SS_x

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the symbol for sample variance?

σ²

s²

SS_x

What is the symbol for Sum of Squares ?

σ²

s²

SS_x

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the formula to find population variance?

SS_x/N

SS_x/(n-1)

Σd

Σ(d²)

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04 Measures of Variation Unit Review

The deviation (d_x) of a data point "x" is...