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The Aloha Banking Co. is studying ATM use in suburban Honolulu. A sample of 30 ATM's showed they were used the following number of times yesterday.
Develop a stem-and-leaf chart. Summarize the number of times each ATM was used:
What was the typical, minimum, and maximum number of times each ATM was used?
83 64 84 76 84 54 75 59 70 61
63 80 84 73 68 52 65 90 52 77
95 36 78 61 59 84 95 47 87
How many subsets of S contain either the number 6 or the number 15?
Multiple choice questions based on multiple regression - Find the coefficient of determination for the above model
Use MegaStat's output for simple linear regression to determine the regression equation
Construct a 95% confidence interval for the average amount its credit card customers spent on their first visit to the chain's new store in the mall assuming that the amount spent follows a normal distribution.
Either summarize your design or give an appropriate layout with table.
Let p represent the proportion of registered voters in the state that would vote for the Republican candidate. The standard error for the proportion of those who phoned in who answered "yes" is
Is there evidence that population mean amount is different form 8.17 ounces? (Use a 0.05 level of significance.) with sample standard deviation of 0.051 ounce.
Hypothesis test for two factors ANOVA. Describe what thses represent and, based on figure, whether there is a problem with the data r otherwise.
Calculate the z - scores for the three samples, compare the z score to the t-statistic, is the null hypothesis accepted or rejected?
Determine estimated average starting salary for school with average GMAT of 600 points?
The data below shows the time to process an inpatient admission, before and after a system usage training session was given. The following hypotheses were formulated for this study.
Is there any reasonable explanation for the two months that have the highest frequencies?
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