Business 19 Sec EN 1 Week 8 Discussion | chatbot las positas community college

Business 19 Sec EN 1  Week 8 Discussion | chatbot las positas  community college

Discussion - Ch. 8 - Clalculate This!


Find the standard error of the mean for each sampling situation (assuming a normal population).  What happens to the standard error for each time you quadruple the sample size?

1.    LaTeX: \sigma\:=\:32,\:n\:=\:4

2.    LaTeX: \sigma\:=\:32,\:n\:-\:16

3.    LaTeX: \sigma\:=\:32,\:n\:=\:64

Find a confidence interval for mean assuming that each example is from a normal population. (Hint you need t)

1.     LaTeX: \overline{x} = 24, s = 3, n = 7.90% confidece  (to clarify the data - n = 7 and 90%)

2.     LaTeX: \overline{x} = 42, s = 6, n = 18.99 % confidence (to clarify the data - n = 18 and 99%)


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