A Student Asked a Statistics Professor If Grades Were Marked

question 8

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) 28.39
• E) 12.59

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Definitions:

Sugar Trade

The historical exchange and commerce of sugar as a commodity, significantly impacting global economies and societies, particularly in the colonial period.

Homespun Clothing

Clothing made from cloth spun at home, symbolizing self-reliance and resistance to British goods during the American Revolutionary era.

Women Shopkeepers

Female entrepreneurs who own or manage retail businesses, highlighting the role of women in commerce and the economy.

Restrictions

Rules or regulations that limit, control, or restrict certain activities, behaviors, or freedoms.