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5 Most Recently Answered Questions View All 750

No. & Date AskedQuestion
# 926 :: 1/30
Question 926 has been Answered		 A survey of random sample of people leaving an amusement park showed an average expenditure number 10.30k for the evening, the average of expenditure . . .

weighted mean

# 925 :: 1/30
Question 925 has been Answered		 3 section of a statistics class containing 28,32 and 35 students averaged 83,80 and 76 respectively on same final exam. what 's the combined populatio. . .

weighted mean

# 920 :: 1/13
Question 920 has been Answered		 The average service time at CheesePlate Restaurant is 3.5 minutes with a standard deviation of .04 minutes. A new order system claims it can improve . . .

1-sample t-test

# 915 :: 12/6/11
Question 915 has been Answered		 create a 95%confidence interval for the value of the population mean, given that their is a sample mean of 49 and a standard deviation of 3 but now fo. . .

1-sample t-test, Confidence Intervals

Showing 5 of 750 Questions View All 750