Question

This needs to be done in the RStudio program.

Lab-Worksheet-1 Due-03-06-2020 in Class 1. The National Survey of Student Engagement asked a sample of college freshmen how often they came to class without completing their assignments. Following are the results: Percent Response Never Sometimes Often Very often 48 5 (a) Construct a bar graph. (b) Construct a pie chart. (c) True or false: More than half of the students reported that they sometimes come to class without completing their assignments. 2. Following are the ages at deaths for all U.S. presidents. 67 71 70 46 83 79 67 90 90 56 58 78 73 77 71 88 85 64 60 64 68 78 80 53 65 74 66 49 63 57 57 67 72 6063 81 93 93 (a) Construct a histogram. (b) Construct a boxplot. (c) Find the summary statistics (d) Find the standard deviation (e) Write a report from above finding

Answer 1

11 15 Response Percent 2 Nevis Percent Si 7 15 Very often costa EROR Percent 5 5 5 EL 12 0.1 Never Sometimes Often Very often NE 8 5 0 5 5 5

Percent Very often. 5% ercent Sometimes 48%

Histogram of x 6 5 4 Frequency 3 2 1 50 60 HER x 80 90

90 80 70 60 AO | ENG 0203 AS E

R RGUT (64-bit) - [R Console] R File Edit View Misc Packages Windows Help > * c 678396,73,85 69, 78, 80, 58, 65, 71,79,56,77,64, 74,66, 49, 63, 57,00, 67,58, 71,60,57, 67,72,60,63,46,90 sumays) He Min. Ist Qu. Median Mean 3rd Qu. Max. 46.00 63.00 69.00 70.42 78.75 93.00 1 x) [1] 12. 19799
Here note that the histogram and the piechart is drawn by Excell and the anwer for c is True

And the second and third image is from R software

Just put as

x<-(67,83,……............,93)

hist(x) for histogram

boxplot(x) for boxplot

summary(x)

sd(x) for all summary about x.