Free Printable Statistics 10th grade

1.

The measures of __________________ tendency and measures of ___________ describes the distribution of the data

a)

central and range

b)

median and mode

c)

central and spread

d)

variance and skewness

2.

Is the one that measures how spread the numbers are, in relationship with the mean of the distribution

a)

Mean

b)

Median

c)

Variance

d)

Standard Deviation

3.

Is the average of the total distribution

a)

Mean

b)

Median

c)

Mode

d)

Range

4.

Is the value of the central point of the distribution

a)

Mean

b)

Median

c)

Mode

d)

Range

5.

Is the value with the highest frequency in a distribution

a)

Mean

b)

Mode

c)

Median

d)

Range

6.

Measures the variability of a distribution using the minimum and maximum value

a)

Mean

b)

Median

c)

Mode

d)

Range

7.

The skewness of a distribution is positive when

a)

Mean < Median

b)

Range = Mode

c)

Variance = Median

d)

Mean > Median

8.

Is the measure that tells you how far some data are from the mean and is expressed raised to the square

a)

Mean

b)

Skewness

c)

Variance

d)

Standard deviation

9.

This is the most useful measure, that tells you the positive and negative variation in relationship with the mean

a)

Median

b)

Standard deviation

c)

Skewness

d)

Variance

10.

The estimated mean, median and mode are applied when you have

a)

A group of data

b)

Distribution frequency table

c)

Twenty data points or less

d)

A negative skewness

11.

The correct formula to calculate estimated variance is:

a)

$\left(\sum_{i=1}^n\left(fi\cdot xi^2\right)\ -n\overline{x\ }\ ^2\ \right)\div n-1$

b)

$\left(\sum_{i=1}^n\left(fi\cdot xi^{ }\right)\ -n\overline{x\ }\ ^{ }\ \right)\div n-1$

c)

$\left(\sum_{i=1}^n\left(fi\cdot xi^2\right)\ -n\overline{x\ }\ ^2\ \right)\div n$

d)

$\sqrt{\left(\sum_{i=1}^n\left(fi\cdot xi^2\right)\ -n\overline{x\ }\ ^2\ \right)\div n-1}$

12.

When in a group of data are more then two modes, is called:

a)

No mode

b)

bimodal

c)

multimodal

d)

maximodal

Statistics 10th grade

Total questions: 12

Worksheet time: 7mins

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