Measures Spread

Measures Spread

9th Grade

10 Qs

quiz-placeholder

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Measures Spread

Measures Spread

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Anthony Clark

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does a small standard deviation indicate?

Data values are far from the mean

Data values are close to the mean

Data set has outliers

Data set has a large range

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If Q1 = 10 and Q3 = 25, what is the IQR?

10

15

20

25

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Two cross country runners have the same average time for 5K races. What does a higher standard deviation indicate?

The runner's times are more consistent

The runner's times are more spread out

The runner finishes the race faster overall

The runner's times are identical in every race.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the interquartile range focus on?

All data points

The largest and smallest values

The mean of the data set

The middle 50% of data

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which transformation increases the standard deviation of a data set?

Adding a constant to all values

Reducing values close to the mean

Keeping values unchanged

Increasing values farther from the mean

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why is the range important in analyzing data?

It shows the consistency of the data points

It highlights the variation between the highest and lowest values

It eliminates outliers from the data set

It calculates the mean

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the formula for calculating the range of a data set?

Q3 - Q1

Mean - Median

Maximum - Minimum

Q1 + Q3

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