A Student Asked a Statistics Professor If Grades Were Marked

question 125

Multiple Choice

A student asked a statistics professor if grades were marked "on the curve." The professor decided
To give the student a project to determine if last year's statistics grades were normally distributed.
The professor told the student that last year's mean mark was 70 with a standard deviation of 10
And to use the following results.
What is the calculated value of chi-square?

• A) 29.76
• B) 14.20
• C) 14.88
• D) 28.36
• E) 12.59

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