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The golf scores for the 20 members of a country club were as follows:
81
95
76
74
107
83
119
97
92
82
79
91
108
93
88
89
Create a relative frequency histogram using ten-point intervals to show the distribution of the scores.
For all questions, clearly explain/show your answers. For the Analysis section, justify your answers with the appropriate graphs, statistics, equations, etc.
If 25 men aged 18-24 are arbitrarily chosen, determine probability that their mean serum cholesterol level is between 165 and 200.
Compute mean and standard deviation for sample of N = 8 females and sample of N = 8 for males.
Draw a normal probability plot for residuals using excel or Minitab. Do the residuals seem normally distributed? If yes, why?
A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02. What is the probability that:
Obtain a test statistic and p -value. Interpret the results at α = .01.
Determine the distributions given below represent a probability distribution. Justify your answer.
Find a 95% confidence interval for the proportion p of the inner-city, working-class group who eventually became alcoholics.
For the data shown below, prepare a x-bar chart. Note that the sample size is three. Record the values for the UCL, center line, and LCL. In addition, note any points that are out of control.
The Bunte Auto Repair Shop received a shipment of four carburetors. One is known to be defective. If two are selected at random and tested.
An experiment was conducted to determine the effects of three different pesticides (P1,P2,P3) on the yield of three different varieties of citrus tree (V1,V2,V3).
Define the decision rule. Calculate the value of the test statistic.
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