population sampling and distribution
Problem 1
| X = 108 | Z = | |
| X = 112 | Z = | |
| X = 98 | Z = | |
| X = 70 | Z = | |
| X = 124 | Z = | |
| p(x > 108) | ||
| p(x < 98) | ||
| p(92 < x < 108) | ||
| p(84 < x < 116) | ||
| p(x < 84) |
1 A. For a normal distribution that has a mean of 100, and a standard deviation of 8, determine the Z-score for each of the following X values:
1 B. Use the information in 1 A. to determine the area or probability of the following:
Name: Date: Topic 2: Population and Sampling Distribution Excel Worksheet Directions: Answer all questions and submit to instructor at the end of Topic 2
Problem 2
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| Q7 | mean | |||||||||||
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| Q8 |
7. Find the mean and standard error of the sample means that is normally distributed with a mean of 10 and a standard deviation of 2 and a sample size of 25. 8. Using the above distribution find the probability of a score less than 11.