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- A sample of n=25 scores has a mean of M=68. Find the z-score for this sample: if it was obtained from a population with u=60 and 0=10A sample of n= 64 scores has a mean of M= 68. Assuming that the population mean is u=60, find the z-score for this sample: If it was obtained from a population with o= 16 Z=A sample of n=25 scores has a mean of M=68. Find the z-scores for this sample: if it was obtained from a population with u=60 and o=40
- A sample of n = 64 scores has a mean of M = 68. Assuming that the population mean is μ = 60, find the z-score for this sample: If it was obtained from a population with σ = 16 z = If it was obtained from a population with σ = 32 z = If it was obtained from a population with σ = 48A sample of n = 25 scores has a mean of M = 68. Find the z-scores for this sample: a. If it was obtained forom a population with u = 60 and o = 10 b. If it was obtained from a population with u = 60 and o = 20 c. If it was obtained from a population with u = 60 and o = 40A sample of n=4 scores has a mean of M=75. Find the z-score for this sample: a. If it was obtained from a population with u= 80 and o=10. b. If it was obtained from a population with u=80 and o=20.