a. 1. A histogram of the distribution of salaries of non-administrative personnel of acompany is given in the figure below. Relative Frequency 0.28 0.26 - 0.24 0.22 0.2 0.18 0.16 0.14 - 0.12 - 0.1 - 0.08 - 0.06 0.04 0.02 - 0 EDFN 1090/1092 Assignment #2 Salary 29,500-30,500 20 21 Bicik P/N 20500-30500 280-29500 x 22 23 24 25 26 27 28 29 30 21.500 Salary (in Thousands of Dollars) What percent of the salaries are between $23,500 and $24,500? and 24,500 23,500 € 24,500-061 561X10G SYT b. What percent of salaries exceed $ 26,500? 13% of the salaries exceed 26,500 9. Rel. Frequency (Rel. f.) .06 -1asc -2012 41251500= (30/100)*100=15% c. Assuming the histograms is based on 400 people, construct the frequency distribution that corresponds to this histogram. Frequency (f)

Quiz#2 1. Tabel : Frequency Distribution Interval Frequency 11 - 20 3 21 - 30 6 31 - 40 41 - 50 51 - 60 4 2 Calculate approximating of the mean and the standard deviation

Please answer... I'm needed only 1 hours time to dd .... Thank u

1. Percent frequency distributions for each of the key variables: number of items purchased, net sales, method of payment, gender, marital status, and age. [Show the distribution’s graph as well] 2. A sorted bar chart showing the number of customer purchases attributable to the method ofpayment. 3. A crosstabulation of type of customer (regular or promotional) versus net sales. Comment on any similarities of differences observed. 4.A scatter chart to explore the relationship between net sales and customer age. 5.A chart to examine whether the relationship between net sales and age depends on the marital status of the customer. 6.A side-by-side bar chart to examine the method of payment by customer type (regular or promotional). Comment on any differences you observe between the methods of payments used by the different types of customers.