Senior 3 Statistics

Which is the mode of the following data?

2, 3, 1, 11, 2, 3, 4, 0, 2, 5, 3, 1, 2, 11

• 1

• 2

• 3

• 11

What is the average of the following data?

4, 3, 3, 2

• 3

• 3.5

• 4

• 4.5

What is the median of the following data?

2, 1, 3, 2, 1, 1, 2

• 1

• 2

• 2.5

• 3

Which of the following is calculated using all the available data?

• Arithmetic Mean

• Range

• Median

• Mode

Which of the following is a dispersion measurement?

• Mode

• Arithmetic Mean

• Median

• Standard Deviation

Which of the following uses the absolute value in its calculation?

• Range

• Mode

• Mean Deviation

• Standard Deviation

What is the median of the following data?

10, 10, 30, 70

• 10

• 20

• 25

• 30

What is a disadvantage of the Range?

• It uses all the data

• It uses the square of values

• It is sensible to extreme values

• It doesn't always exist

Which are the methods to estimate the mode when having grouped data?

• Midpoint

  Lever

• Lever

  Pearson

• Midpoint

  Lever

  Cauchy

• Midpoint

  Lever

  Pearson

The mode is the value which has the highest...?

• Arithmetic Mean

• Standard Deviation

• Class

• Frequency