EASY
Diploma
IMPORTANT
Earn 100

If the variance of a data set is x and all of the numbers in a data set are multiplied by 9, state the new variance.

Important Questions on Representing Data: Statistics for Univariate Data

EASY
Diploma
IMPORTANT
From January to September, the mean number of car accidents in a city per month was 420. From October to December, the mean was 740 accidents per month. Find the mean number of car accidents per month for the whole year.
EASY
Diploma
IMPORTANT

Students collected data on the number of ties that their fathers owned.

 Ties 0123456f481020431

Write down the mode

EASY
Diploma
IMPORTANT

Students collected data on the number of ties that their fathers owned.

 Ties 0123456f481020431

Find the median.

EASY
Diploma
IMPORTANT

3 Students collected data on the number of ties that their fathers owned.

 Ties 0123456f481020431

Find the mean?