| Tag | Value |
|---|---|
| file | Inferential_Statistics_vufsw-one_sample_mean-1085-en_vufsw-one_sample_mean-1085-en |
| name | vufsw-one sample mean-1085-en |
| section | inferential statistics/parametric techniques/z-test/one sample mean |
| type | schoice |
| solution | FALSE, TRUE, FALSE, FALSE, FALSE |
| Type | calculation |
| Program | calculator |
| Language | English |
| Level | statistical literacy |
According to a survey of 55 men and 68 women of LINDA Magazine (February 2016), women cry 30 to 64 times a year, while men only cry between 6 and 17 times a year. Suppose the population mean “number of times to cry” for women is 45, with a standard deviation of 8. What is the z-score of a woman who cries 15 times a year?
To calculate the z-score, you will find the difference
between a value in the sample and the mean, and divide it by the
standard deviation. Thus
(15 - 45) / 8 = -3.75