Statistical Grade 8

Mean is ...

• Average

• Sum

• Sum divided by odd number

• All wrong

• I don't care

The mean is sum of data divided by ....

The height of 7 students are 1.54 m, 1.67 m, 1.49 m, 1.54 m, 1.76 m, 1.69 m, and 1.58 m. The mean of height is ... m.

Find the mean of 3, 4, 4, 9, 9, and 10.

The average of 44, 47, m, 58 and 55 is 52. Find the value of m.

The mean is ....

This is not part of statistical data.

• Moment

• Mean

• Standard Deviation

• Median

The mean of six numbers is 17. Four of the numbers are 15, 17, 20, and 22. The remaining two numbers are equal. Calculate the sum of the two number.

Find the mode below.

2, 5, 5, 7, 8, 8, 9, 7, 3, 8, 9, 8, 8, 8, 2

Given that the mean of:

16, w, 17, 9, x, 2, y, 7 and z is 11.

Find the mean of w, x, y, and z.