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Problem: A small pilot study of ridership on the B1 bus is conducted. 7 randomly selected busses are selected and the number of riders is counted and found to be 29, 6, 16,11, 24, 30 and 31. We can assume that the population is normally distributed. Construct a 95% confidence interval for the mean number of riders on B1 busses. You can use a value of 10 for the sample standard deviation. Can you please help me by providing the authentic solution of this problem.
What is the value of the test statistic you should use to test the given hypothesis?
Snow Depth Eric wants to go skiing tomorrow, but only if there are 3 inches or more of new snow.
Perform the 5 steps of hypothesis testing procedure. Please present the calculations and results and Graphs. Make all possible observations and interpret the results
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A recent study published in the Toronto Globe and Mail reveals that 25% of mathematics degrees from Canadian universities and colleges are awarded to women.
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After the new advertising campaign was launched, a marketing study found that the mean spending for 300 respondents in the 18-34 age groups was $75.86, with a standard deviation of $50.90. Is there sufficient evidence to conclude that the advertis..
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The number of people living on American farms declined steadily during the past century. Here are data on the farm population
A 90% confidence interval for the difference in the means of the populations
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