Steve's average golf score at his local course is 92.9 from a random sample of 60 rounds of golf. Assume that the population standard deviation for his golf score is 4.2. The 99 confidence interval around this sample mean is ________.
A) (87.6, 98.2)
B) (90.7, 95.1)
C) (89.5, 96.3)
D) (92.4, 94.2)
Q. 2Suppose the average driving distance for last year's Masters Golf Tournament was 282.5 yards with a standard deviation of 12.2 yards. A random sample of 30 drives was selected from a total of 4,144 drives that were hit during this tournament.
What is the probability that the sample average was 279 yards or less?A) 0.3540
B) 0.2676
C) 0.1611
D) 0.0582
Q. 3The test statistic for the two-tail sign test is the larger number of the plus signs versus the minus signs.
Indicate whether the statement is true or false
Q. 4A(n) ________ forecast is generated by averaging the most recent p values in a time series.
A) exponential smoothing
B) regression
C) weighted moving average
D) simple moving average
Q. 5Steve's average golf score at his local course is 92.9 from a random sample of 60 rounds of golf. Assume that the population standard deviation for his golf score is 4.2. The standard error of the mean for this sample is ________.
A) 0.54
B) 1.17
C) 1.56
D) 2.30
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