The Following Data for Five Years of the Annual Returns

question 52

Multiple Choice

The following data for five years of the annual returns for two of Vanguard's mutual funds,the Vanguard Energy Fund (x) and the Vanguard Healthcare Fund (y) ,were given as s_x = 35.77,s_y = 13.34,s_xy = 447.68.The competing hypotheses are .Which of the following is the value of the test statistic?

• A) 7.47
• B) 5.74
• C) 4.77
• D) 4.27

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Definitions:

Escherichia Coli

A type of bacteria commonly found in the intestines of humans and animals, some strains of which can cause food poisoning.

Basal Metabolic Rate

Rate at which the body uses energy when at rest.

Energy

The capacity to do work, existing in various forms such as kinetic, potential, thermal, electrical, chemical, and nuclear.

Calories

A unit of energy used to measure the amount of energy food provides to the body.