Essentials of Excel, Excel VBA, SAS and Minitab for Statistical and Financial Analyses by Cheng-Few Lee John Lee Jow-Ran Chang & Tzu Tai

Author:Cheng-Few Lee, John Lee, Jow-Ran Chang & Tzu Tai
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

Obs

Sigma

Clowint

Chighint

1

0.085388

0.49285

0.74273

20.6.4 Determining Sample Size

Example 20.7

Macro SamSize() is used to calculate the sample size.

Obs

n

1

31.3743

Example 20.8

The same macro is used in this example.

Obs

n

1

46.3520

20.7 Statistical Summary

In this chapter we first discussed how random number tables can be generated. Then we discussed samples that have a ratio of sample size to population size greater than 0.05. This is important because in such a case, we have to make some adjustments to make the estimate unbiased.

We also learned how to determine the required sample size for a desired sample variance .

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