# Statistics Rstudio Worksheet - The center thickness (in mils)

Question # 00648324
Subject: Mathematics
Due on: 08/07/2023
Posted On: 08/07/2023 02:17 AM
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AU Statistics Rstudio Worksheet

ASSIGNMENT E

The center thickness (in mils) of a sample of twenty-five contact lenses are given below

0.3978 0.4019 0.4031 0.4044 0.3984 0.3972 0.3981 0.3947 0.4012 0.4043 0.4051 0.4016 0.3994 0.3999 0.4062 0.4048 0.4071 0.4015 0.3991 0.4021 0.4009 0.3988 0.3994 0.4016 0.4010 Using this data set and RStudio answer the five following questions

1. Determine the mean, the standard deviation, the variance, and the five-number summary

2. Using the fence rule, determine if data set has any outliers.

3. Draw a histogram. Properly name the graph and the axes.

4. Draw a boxplot (horizontal).

5. Construct a qqplot and a qqline and determine if this data set is approximately normal.

6. To experimentally verify the central limit theorem, take 1000 random samples of size ???? = 33 from a population that is distributed exponentially with ???? = 3. To this end, you must show

(a) The histogram of the distribution is approximately normal. (b) Its expected value is ????. (c) Its variance is ????2 . 33

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#### Statistics Rstudio Worksheet - The center thickness (in mils)

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