In Testing the Hypotheses H₀: μ = 50 Vs

question 13

Multiple Choice

In testing the hypotheses H₀: μ = 50 vs.H₁: μ ≠ 50,the following information is known: n = 64, = 53.5,and σ = 10.The standardized test statistic z equals:

• A)1.96
• B)−2.80
• C)2.80
• D)−1.96

Differentiate between Theory X and Theory Y management styles.

Describe the characteristics of open and closed systems in organizations.

Apply the concepts of scientific management and its contribution to modern management practices.

Analyze the importance of viewing organizations as open systems.

---

Definitions:

Interaction Effect

A statistical concept in which the effect of two or more variables is not simply additive, indicating that these variables interact in predicting a particular outcome.

Main Effect

The overall impact of an independent variable on a dependent variable in an analysis, ignoring the effects of other independent variables.

F Tests

A class of statistical tests used to compare the variances of two or more samples to assess the equality of population variances.

Two-way ANOVA

A statistical test used to determine the effect of two nominal predictor variables on a continuous outcome variable, allowing for interactions between the factors to be analyzed.