The Typing Speeds (In Words Per Minute)and Reading Speeds (In

question 23

Multiple Choice

The typing speeds (in words per minute) and reading speeds (in words per minute) of nine randomly selected secretaries were recorded.Use the regression analysis and summary statistics provided below to determine a 90% prediction interval for the reading speed of a secretary whose typing speed is 50.
Dependent variable is: Reading speed
R-squared = 12.385%
S = 100.3348 with 9 - 2 = 7 degrees of freedom

• A)371.1 to 559.5 words per minute
• B)253.1 to 677.5 words per minute
• C)405.9 to 450.9 words per minute
• D)257.1 to 673.6 words per minute
• E)458.6 to 472.0 words per minute

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