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Solved in 3 steps
- Need a good answer...thanks in advanceMust the variable under consideration be normally distributed for you to use the ?-interval procedure or ?-interval procedure? Explain your answer.Find the 1st quartile, 7th decile and 35th percentile of the following distribution. Class Interval Frequency 151-160 8 141-150 12 131-140 6 10 7 11 13 9 4 121-130 111-120 101-110 91-100 81-90 71-80
- On the basis of a population survey, there were 84.4 million males and 98.2 million females 25 years old or older in a certain country. The educational attainment of the males and females is shown in the accompanying table. Complete parts (a) through (d) below.Using the appropriate table in textbook (Keller, Appendix B) or Excel, a. find z.05. Draw the distribution and locate the z-value (z.os) in the distribution. b. find-z.05. Draw the distribution and locate the z-value (-z.05) in the distribution. c. find t50,.01. Draw the distribution and locate the t-value (t50,.01) in the distribution. d. find-t50,.01. Draw the distribution and locate the t-value (-t50,.01) in the distribution. e. find X²0,.05. Draw the distribution and locate the x²-value (x²0,05) in the distribution. f. find F2,20,.05. Draw the distribution and locate the F-value (F2,20,.05) in the distribution.For the distribution as shownDetermine the 3rd quartile Class. f3-6 46-9 109-12 1212-15 915-18 5
- Use the Histogram tool to develop a frequency distribution and histogram for the number of months as a customer of the bank in the data below. Compute the relative and cumulative relative frequencies and use a line chart to construct an ogive. Complete the frequency distribution for the months as a customer, and compute the relative and cumulative relative frequencies. (Type integers or decimals rounded to three decimal places as needed.) Bins Frequency Relative Frequency Cumulative Relative Frequency 10 enter your response here enter your response here enter your response here 20 enter your response here enter your response here enter your response here 30 enter your response here enter your response here enter your response here 40 enter your response here enter your response here enter your response here 50 enter your response here enter your response here enter your…Construct a frequency distribution and a relative frequency histogram for the data set using five classes. Which class has the greatest relative frequency and which has the least relative frequency? Class 11 Ratings from 1 (lowest) to 10 (highest) from 36 taste testers 2 5 9 73 ... 85 54 1 5 56 7 3 3 5 10 9 9 1 6 2 6 2 Construct a frequency distribution for the data using five classes. Frequency 6 4 4 10 9 4 9 6 9 3 1 2For the data presented in the tables below, construct the distribution of in tabular and graphical(make graph) form and discuss the results.
- For the data presented in the tables below, construct the distribution of in tabular and graphical(make graph) form and discuss the results.Find the mean of the distribution shown below: (X,P(X) = (1,0.58); (3, 0.42) X 1 3 P(X) 0.58 0.42Define the following statistical expressions Distribution – Parameter – statistical
