Estimate the Standard Deviation in Calories for These Randomly Selected $328.266 < \sigma ^ { 2 } < 1621.082$

question 20

Multiple Choice

Estimate the standard deviation in calories for these randomly selected standard-size candy bars with 95% confidence. (The number of calories is listed for each.) Assume the variable is
Normally distributed.
218 219 212 225 271 266 246
211 238 250 281 227 278 260

• A) \(328.266 < \sigma ^ { 2 } < 1621.082\)
• \(18.1 < \sigma < 40.3\)
• B) \(14.145 < \sigma ^ { 2 } < 69.853\)
• \(3.8 < \sigma < 8.4\)
• C) \(13.135 < \sigma ^ { 2 } < 64.863\)
• \(3.6 < \sigma < 8.1\)
• D) \(353.518 < \sigma ^ { 2 } < 1745.781\)
• \(18.8 < \sigma < 41.8\)

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Definitions:

Price of Beef

The market value assigned to beef, influenced by factors like supply, demand, production costs, and market conditions.

Wages of Taco Shop Workers

The compensation paid to employees working in a taco shop, including hourly or salaried earnings.

Taco Shops

Food outlets specializing in the sale of tacos and related Mexican cuisine.

Price of Tacos

The amount of money required to purchase a taco, often influenced by factors such as ingredients costs, labor, and market demand.