(d) List three uses for this distribution in practical terms. (e) Appropriate refererencing to be included
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- 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.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.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 2
- 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 – statisticalA stem plot for the response times of the fire station that responds to calls in the northern part of town has been constructed below. Key: 1|2 = 12 minutes 013 3 3 3 014 4 4 4 4 5 5 5 5 5 5 0|6 7 7 018 8 8 8 8 9 9 1|0 0 0 0 1|2 Comment on the shape of the distribution and determine appropriate measures of center and spread.
- Rock sole in the Bering Sea 1/2: "Recruitment," the addition of new members to a fish population, is an important measure of the health of ocean ecosystems. Here are data on the recruitment of rock sole in the Bering Sea from 1973 to 2000: Make a stemplot to display the distribution of yearly rock sole recruitment. Round to the nearest hundred (for example, 173 to 2 hundred, and 1702 to 17 hundred) and split the stems.The accompanying table shows the tax, in dollars, on a pack of cigarettes in 30 randomly selected cities. Complete parts (a) through (g) below. Click the icon to view the table of data. (a) Construct a frequency distribution. Use a first class having a lower class limit of 0 and a class width of 0.50. (Type integers or decimals. Do not round.) Tax Frequency (b) Construct a relative frequency distribution Use a first class having a lower class limit of 0 and a class width of 0.50 (Round to two decimal places as needed.) Tax Relative Frequency (c) Construct a frequency histogram. Choose the correct graph below. OA. Taxes on a pack of cigarettes (in dollars) -X 2.87 0.58 1.16 1.07 2.16 0.41 0.84 2.59 0.28 0.35 0.78 0.86 1089 427 225 1.52 3.41 0.89 4.27 2.25 2.23 1.64 1.54 1.46 1.68 1.26 0.65 0.17 1.45 3.06 0.71 0.58 0.92 Print Done mit testA researcher records the number of dreams that 50 college freshman students recalled during the night prior to a final exam. Number of Dreams Cumulative Frequency 4 50 3 44 2 30 1 12 0 5 A. Convert this table to a percentile rank distribution. B. What is the number of dreams at the 60th percentile?
