A Trading Magazine Wants to Know If a Seminar on Self-Confidence

question 11

Essay

A trading magazine wants to know if a seminar on self-confidence helps stockbrokers to obtain new clients. Before and after the self-confidence seminar, 14 stockbrokers rated their self-confidence as low, neutral, or high. In comparing the before and after rankings, there was one plus sign and 13 negative signs for the sign test.
A) Specify the competing hypotheses to determine if there are differences in self-confidence before and after the seminar.
B) Assuming the proportion of plus signs follows a normal distribution, what is the value of the test statistic?
C) At the 1% significance level, what is the decision and conclusion?

• A) Specify the competing hypotheses to determine if there are differences in self-confidence before and after the seminar.
• B) Assuming the proportion of plus signs follows a normal distribution, what is the value of the test statistic?
• C) At the 1% significance level, what is the decision and conclusion?

Recognize the difference between primary and secondary data collection methods.

Grasp the concept and application of sentiment analysis in marketing.

Identify and classify types of data used in market research.

Understand the use and significance of sampling in market research studies.

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Definitions:

Authoritarian

A governing system characterized by strong central power and limited political freedoms, where individual rights are often subordinate to the state's authority.

Sovereign Request

A formal petition or demand made by a sovereign state or its representative, often pertaining to diplomatic or legal issues.

Initiative

A process that allows citizens to propose legislation or state constitutional amendments by petition.

Uneducated Mob

A disparaging term for a group of people acting disorderly or violently with little understanding or awareness of the issues at hand.