The following table gives the frequency distribution of the numbers of computers sold during the past...

 

Transcribed Image Text:

The following table gives the frequency distribution of the numbers of computers sold during the past 25 weeks at a computer store. Computers Sold Frequency 4 to 9 2 10 to 15 4 16 to 21 10 22 to 27 6 28 to 33 3 a) State the variable. b) What is the lower limit and upper limit for the third class? c) Find the cumulative frequency and mid-point for each interval. d) Compute the following: i. Mean ii. Mode iii. Median iv. Variance v. Standard Deviation vi. Interquartile range The following table gives the frequency distribution of the numbers of computers sold during the past 25 weeks at a computer store. Computers Sold Frequency 4 to 9 2 10 to 15 4 16 to 21 10 22 to 27 6 28 to 33 3 a) State the variable. b) What is the lower limit and upper limit for the third class? c) Find the cumulative frequency and mid-point for each interval. d) Compute the following: i. Mean ii. Mode iii. Median iv. Variance v. Standard Deviation vi. Interquartile range