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Do all of the work below with the Database of https://learn.vccs.edu/courses/397103/files/108349592?wrap=1 (MATH ACT SCORES) Data: The Data set is on the project page on canvas(MATH
Do all of the work below with the Database ofhttps://learn.vccs.edu/courses/397103/files/108349592?wrap=1
(MATH ACT SCORES)
Data:The Data set is on the project page on canvas(MATH ACT SCORES). Use StatCrunch (in MyLab Statistics) to obtain results for the following questions.
- A) Exploratory Data Analysis
- Obtain the mean and standard deviation for ACT Math scores for each class level (freshmen, sophomores, juniors, seniors) and interpret the results
- Obtain the five number summary of ACT Math score for each class levels. Do any of these class levels have outliers?
- Construct a boxplot and use it to investigate the data for outliers
- Construct a histogram, and normal probability plot (QQ Plot) for ACT Math score for each class levelB) Inferential Statistics
- Construct and interpret a 95% confidence interval for , for the mean ACT Math score for each class level.
- Using regression analysis (hint, use scatter plot, r, r2) , investigate if there is a relationship between Age and performance in ACT Math score.; . provide an equation can be used to predict ACT math score based on age,
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