A Marketing Study Was Conducted to Compare the Mean Age $t = 3.17$

question 14

Multiple Choice

A marketing study was conducted to compare the mean age of male and female purchasers of a certain product. Random and independent samples were selected for both male and female
Purchasers of the product. It was desired to test to determine if the mean age of all female
Purchasers exceeds the mean age of all male purchasers. The sample data is shown here:

Use the pooled estimate of the population standard deviation to calculate the value of the test statistic to use in this test of hypothesis.

• A) \(t = 3.17\)
• B) \(t = 2.65\)
• C) \(\mathrm { t } = 2.83\)
• D) \(t = 2.17\)

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Definitions:

Dissociative Disorders

Mental disorders that involve experiencing a disconnection and lack of continuity between thoughts, memories, surroundings, actions, and identity.

Sudden Loss

Experiencing an abrupt and unexpected loss, often associated with heightened emotional distress and difficulty in emotional adjustment.

Identity

The sense of self, defined by one’s beliefs, personality traits, and values, that is developed through social and personal experiences.

Dissociative Identity Disorder

A severe form of dissociation involving the presence of two or more distinct identities or personality states controlling an individual's behavior at different times.