From the population of the 300 studentscores above a random sample of size n = 8 is selected. The sample data is shown below. 56 76 96 72 64 56 92 92 1 The sample mean x is, a 73.10 b 74.35 75.50 d...

Extracted text: From the population of the 300 studentscores above a random sample of size n = 8 is selected. The sample data is shown below. 56 76 96 72 64 56 92 92 1 The sample mean x is, a 73.10 b 74.35 75.50 d 76.85 2 The sample variance, a 267.14 b 250.45 242.86 d 233.75 3 If you take repeated samples of size n = 8 from the above population score data, the expected value of x is, a 78.10 b 76.96 75.64 d 74.49 4 If you take repeated samples of size n = 8 from the above population score data, the variance of x is, a 31.43 33.39 267.14 233.75