# FOCUSING ON DATA ANALYSIS The Focus Database and Focus sample cont...

## Question

FOCUSING ON DATA ANALYSIS
The Focus Database and Focus sample contain information on the undergraduate students at the University of Wisconsin - Eau Claire (UWEC). Begin by opening the Focus sample (FocusSample) in the statistical software package of your choice.

a. Obtain a normal probability plot of the sample data for each school percentile, cumulative GPA, age, total earned credits, of the following variables: high school percentile, cumulative ACT English score, ACT math score, and ACT composite score.

b. Based on your results from part (a), which of the variables considered there appear to be approximately normally distributed?

c. Based on your results from part (a), which of the variables considered there appear to be far from normally distributed? If your statistical software package will accommodate the entire Focus Database open that worksheet.

d. Obtain a histogram for each of the following variables: high school percentile, cumulative GPA, age, total earned credits, ACT English score, ACT math score and ACT composite score.

e. In view of the histograms that you obtained in part (d), comment on your answers in parts (b) and (c).

## Solution Preview

These solutions may offer step-by-step problem-solving explanations or good writing examples that include modern styles of formatting and construction of bibliographies out of text citations and references. Students may use these solutions for personal skill-building and practice. Unethical use is strictly forbidden.

By purchasing this solution you'll be able to access the following files:
Solution.docx and Solution.xlsx.

# 50% discount

Hours
Minutes
Seconds
\$30.00 \$15.00
for this solution

PayPal, G Pay, ApplePay, Amazon Pay, and all major credit cards accepted.

### Find A Tutor

View available Applied Statistics Tutors

Get College Homework Help.

Are you sure you don't want to upload any files?

Fast tutor response requires as much info as possible.