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show all work 1) The following is a list of prices (in dollars) of birthday cards found...

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Basic Math

show all work
1) The following is a list of prices (in dollars) of birthdaycards found in various drug stores:
2.45
1.20
0.85
1.33
2.25
2.25
2.09
2.99
1.00
0.88
1.42
2.36
2.15
2.85
1.52
1.99
2.38
0.85
2.22
2.75

a. Using R find the mean, median, mode, range, variance andstandard deviation of the data. Attach your output fromExcel/R.
b. Using /R, construct a frequency histogram of the data set.Use the guidelines in the class notes. Provide all the details(interval, width, etc.) on how you constructed the histogram. Makesure that you attach the histogram created by Excel/R. Comment onthe shape of the frequency distribution (e.g., is the distributionskewed? Is the distribution approximately mound-shaped andsymmetric?) for the data set based on your histogram.

c. Based on the results in part a, construct the intervals andfor the data set. Be sure to show your interval below. Based on theresults in part b what percentage of the measurements for the dataset falls in each interval

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4.1 Ratings (607 Votes)
a Using R find    See Answer
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