Business research and statistical data analysis

Reference no: EM1388529

1) Explain why histograms and frequency polygons are used in business statistics.

2) Which two types of probability sampling are best suited for business research and statistical data analysis, and why?

3) What is the difference between a null hypothesis and an alternate hypothesis?

4) Explain what is meant by the critical value of a statistical value.

5) What is the difference between a t test for independent means and a correlated t test?

Reference no: EM1388529

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