Statistics Quiz 2

A device for organizing and presenting grouped data.

• Sample

• Sampling

• Frequency Distribution Table

• Parameter

When the set of data contains less than 30 cases, a frequency distribution table may be constructed to make the task more manageable and to save time in calculating different statistics.

• True

• False

The difference between highest data and lowest data.

• Mean

• Median

• Mode

• Range

It is computed by range divided by number of class intervals.

• Range

• Number of Class Intervals

• Class Size

• Lower Limit

It is computed by using the formula: n = 1 + 3.3 log N

• Range

• Number of Class Intervals

• Class Size

• Lower Limit

The class 20 - 24 has a class size of?

• 3

• 4

• 5

• 6

The class 20 - 25 has a class size of?

• 3

• 4

• 5

• 6

The class mark for 25 - 30 is

• 26

• 26.5

• 27

• 27.5

The class mark for 25 - 29 is

• 26

• 26.5

• 27

• 27.5

The class 20 - 24 has a lower class boundary of?

• 19.5

• 20

• 24

• 24.5