(Steps Shown) A random sample of 50 observations yielded the following frequencies for the standardized intervals: Interval Frequency Z ≤ - 1 6 -1 < Z ≤
Question: A random sample of 50 observations yielded the following frequencies for the standardized intervals:
| Interval | Frequency |
| Z ≤ - 1 | 6 |
| -1 < Z ≤ 0 | 27 |
| 0 < Z ≤ 1 | 14 |
| Z >1 | 3 |
Can we infer that the data are not normal? Use α = .10.
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