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You want to know if typing proficiency is associated with better spelling skills. You administer a spelling test consisting of 20 words to the students in a classroom. At the bottom of the sheet, there is a question: Can you type accurately without looking at the keyboard?

Data set: Ch 03 – Exercise 03.sav

Codebook

Variable: Looker

Definition: Does the student look at the keyboard to type?

Type: Categorical (1 = Looks at keyboard, 2 = Doesn’t look at keyboard)

Variable: Spelling

Definition: Score on spelling test

Type Continuous

a. Run descriptive statistics and a histogram with a normal curve for Spelling for the whole data set.

b. Run descriptive statistics and a bar chart for Looker for the whole data set.

c. Run descriptive statistics and a histogram with a normal curve for Spelling for “Looks at keyboard” only.

d. Run descriptive statistics and a histogram with a normal curve for Spelling for “Doesn’t look at keyboard” only.

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