A sample of n = 25 scores has a mean of M = 84. Please show all work and write out all formulas and math. Find the z-scores for this sample: a. If it was obtained from a population with μ = 80 and σ= 10. b. If it was obtained from a population with μ = 80 and σ = = 20. c. If it was obtained from a population with μ = 80 and σ = 40. d. What pattern did you see here in terms of your σ value, σM, and Z?

MATLAB: An Introduction with Applications
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A sample of n = 25 scores has a mean of M = 84.
Please show all work and write out all formulas and math. Find the z-scores for this
sample:
a. If it was obtained from a population with μ = 80 and σ= 10.
b. If it was obtained from a population with μ = 80 and σ = 20.
c. If it was obtained from a population with u = 80 and σ = 40.
d. What pattern did you see here in terms of your σ value, σM, and z?
Transcribed Image Text:A sample of n = 25 scores has a mean of M = 84. Please show all work and write out all formulas and math. Find the z-scores for this sample: a. If it was obtained from a population with μ = 80 and σ= 10. b. If it was obtained from a population with μ = 80 and σ = 20. c. If it was obtained from a population with u = 80 and σ = 40. d. What pattern did you see here in terms of your σ value, σM, and z?
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