Statistical Techniques in Business and Economics |
Contents
What is statistics? | 1 |
Describing datafrequency distributions | 33 |
Describing datameasures of central tendency | 59 |
Copyright | |
37 other sections not shown
Common terms and phrases
alternate hypothesis answers arithmetic mean binomial distribution binomial probability distribution CHAPTER SELF-REVIEW EXAMINATION Chart chi-square coefficient computed value consumer correlation critical value daily commissions decision rule degrees of freedom determine difference employees estimate example firms formula four frequency distribution grams H₁ income indicates interval large number level of measurement level of significance machine manufacturer measures median million monthly moving average n₁ n₂ normal curve normal distribution null hypothesis number of defects number of observations one-tailed test outcomes percent period permutations plotted Poisson distribution population mean price index problem procedure production random sample ranks Region of acceptance Region of rejection salespersons sample means sample statistics sampling distribution selected at random skewed SOLUTION specific seasonals squares standard error Table test scores test statistic tion total number two-tailed test Type II error variance variation weekly sales X₁ z-test zero ΣΧ