
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
expand_more
expand_more
format_list_bulleted
Question
 for instructional material to complete this problem.
---
#### Evaluate the following formula for:
\[ p_1 - p_2 = 0 \]
\[ \bar{p} = 0.164948, \quad \bar{q} = 1 - \bar{p} \]
\[ x_1 = 79, \quad x_2 = 17 \]
\[ n_1 = 295, \quad n_2 = 287 \]
\[ \hat{p}_1 = \frac{x_1}{n_1}, \quad \hat{p}_2 = \frac{x_2}{n_2} \]
\[
z = \frac{(\hat{p}_1 - \hat{p}_2) - (p_1 - p_2)}{\sqrt{\frac{\bar{p} \cdot \bar{q}}{n_1} + \frac{\bar{p} \cdot \bar{q}}{n_2}}}
\]
\[
z = \boxed{\ \ \ \ \ \ \ \ \ \ \ } \quad \text{(Round to two decimal places as needed.)}
\]
---
**Explanation of the Formula:**
1. **\( \hat{p}_1 \) and \( \hat{p}_2 \)**: These are sample proportions calculated as:
\[
\hat{p}_1 = \frac{x_1}{n_1}, \quad \hat{p}_2 = \frac{x_2}{n_2}
\]
where \( x_1 \) and \( x_2 \) are the number of successes in each sample, and \( n_1 \) and \( n_2 \) are the sample sizes.
2. **\( \bar{p} \) and \( \bar{q} \)**: These are the pooled sample proportion and its complement.
\[
\bar{q} = 1 - \bar{p}
\]
3. **Z-Score Calculation**:
\[
z = \frac{(\hat{p}_1 - \hat{p}_2) - (p_1 - p_2)}{\sqrt{\frac{\bar](https://content.bartleby.com/qna-images/question/5df71d79-be11-47b2-8651-31f6c3899472/bfb4aa37-4dc3-45d0-a385-b3078434b095/3v5eqk_thumbnail.jpeg)
Transcribed Image Text:### Homework: Set - Prerequisite Week 6
**Question 2, IR.9.4**
Check [here](#) for instructional material to complete this problem.
---
#### Evaluate the following formula for:
\[ p_1 - p_2 = 0 \]
\[ \bar{p} = 0.164948, \quad \bar{q} = 1 - \bar{p} \]
\[ x_1 = 79, \quad x_2 = 17 \]
\[ n_1 = 295, \quad n_2 = 287 \]
\[ \hat{p}_1 = \frac{x_1}{n_1}, \quad \hat{p}_2 = \frac{x_2}{n_2} \]
\[
z = \frac{(\hat{p}_1 - \hat{p}_2) - (p_1 - p_2)}{\sqrt{\frac{\bar{p} \cdot \bar{q}}{n_1} + \frac{\bar{p} \cdot \bar{q}}{n_2}}}
\]
\[
z = \boxed{\ \ \ \ \ \ \ \ \ \ \ } \quad \text{(Round to two decimal places as needed.)}
\]
---
**Explanation of the Formula:**
1. **\( \hat{p}_1 \) and \( \hat{p}_2 \)**: These are sample proportions calculated as:
\[
\hat{p}_1 = \frac{x_1}{n_1}, \quad \hat{p}_2 = \frac{x_2}{n_2}
\]
where \( x_1 \) and \( x_2 \) are the number of successes in each sample, and \( n_1 \) and \( n_2 \) are the sample sizes.
2. **\( \bar{p} \) and \( \bar{q} \)**: These are the pooled sample proportion and its complement.
\[
\bar{q} = 1 - \bar{p}
\]
3. **Z-Score Calculation**:
\[
z = \frac{(\hat{p}_1 - \hat{p}_2) - (p_1 - p_2)}{\sqrt{\frac{\bar
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by stepSolved in 2 steps with 2 images

Knowledge Booster
Similar questions
- Ive 249 QUESTION 24 Alles and your friend will drive Solve for x and y. Round decimals to two places. 37 For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial Click Save and Submit to save and submit. Click Save All Answe DELLarrow_forwardWhat formula do you use?arrow_forward
Recommended textbooks for you
- MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning
- Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman

MATLAB: An Introduction with Applications
Statistics
ISBN:9781119256830
Author:Amos Gilat
Publisher:John Wiley & Sons Inc

Probability and Statistics for Engineering and th...
Statistics
ISBN:9781305251809
Author:Jay L. Devore
Publisher:Cengage Learning

Statistics for The Behavioral Sciences (MindTap C...
Statistics
ISBN:9781305504912
Author:Frederick J Gravetter, Larry B. Wallnau
Publisher:Cengage Learning

Elementary Statistics: Picturing the World (7th E...
Statistics
ISBN:9780134683416
Author:Ron Larson, Betsy Farber
Publisher:PEARSON

The Basic Practice of Statistics
Statistics
ISBN:9781319042578
Author:David S. Moore, William I. Notz, Michael A. Fligner
Publisher:W. H. Freeman

Introduction to the Practice of Statistics
Statistics
ISBN:9781319013387
Author:David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:W. H. Freeman