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State the null and alternative hypotheses for the situation described below for a statistical test. Testing to see if there is evidence that a correlation between height and salary is significant (that is, different than zero.) : p : P1 : P2 : 0 : p : Pi # P2 Họ: vs Hạ: DO ::

State the null and alternative hypotheses for the situation described below for a statistical test. Testing to see if there is evidence that a correlation between height and salary is significant (that is, different than zero.) : p : P1 : P2 : 0 : p : Pi # P2 Họ: vs Hạ: DO ::

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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**State the null and alternative hypotheses for the situation described below for a statistical test.** Testing to see if there is evidence that a correlation between height and salary is significant (that is, different than zero). --- **Symbols provided:** - Equality/inequality: \( = \), \( < \), \( > \) - Means and proportions: \( \mu \), \( \mu_1 \), \( \mu_2 \), \( p \), \( p_1 \), \( p_2 \) - Population and sample statistics: \( 0 \), \( \rho \), \( \bar{x} \), \( x_1 \), \( \bar{x}_2 \) - Proportion estimates and correlation coefficient: \( \hat{p} \), \( \hat{p}_1 \), \( \hat{p}_2 \), \( r \) --- **Hypotheses:** - Null hypothesis (\( H_0 \)): \( \rho = 0 \) - Alternative hypothesis (\( H_a \)): \( \rho \neq 0 \)
Transcribed Image Text:**State the null and alternative hypotheses for the situation described below for a statistical test.** Testing to see if there is evidence that a correlation between height and salary is significant (that is, different than zero). --- **Symbols provided:** - Equality/inequality: \( = \), \( < \), \( > \) - Means and proportions: \( \mu \), \( \mu_1 \), \( \mu_2 \), \( p \), \( p_1 \), \( p_2 \) - Population and sample statistics: \( 0 \), \( \rho \), \( \bar{x} \), \( x_1 \), \( \bar{x}_2 \) - Proportion estimates and correlation coefficient: \( \hat{p} \), \( \hat{p}_1 \), \( \hat{p}_2 \), \( r \) --- **Hypotheses:** - Null hypothesis (\( H_0 \)): \( \rho = 0 \) - Alternative hypothesis (\( H_a \)): \( \rho \neq 0 \)
**Current Attempt in Progress** State the null and alternative hypotheses for the situation described below for a statistical test. Testing to see if average sales are higher in stores where customers are approached by salespeople than in stores where they aren't. Let group 1 be the group of stores where customers are approached by salespeople and let group 2 be the group of stores where customers are not approached by salespeople. **Symbols and Options Available:** - \( = \) - \( \neq \) - \( < \) - \( > \) - \( \leq \) - \( \geq \) - \( \mu \) - \( \mu_1 \) - \( \mu_2 \) - \( p \) - \( p_1 \) - \( p_2 \) - \( - \) - \( \rho \) - \( \bar{x} \) - \( \bar{x}_1 \) - \( \bar{x}_2 \) - \( \hat{p} \) - \( \hat{p}_1 \) - \( \hat{p}_2 \) - \( r \) **Hypotheses description:** - Null Hypothesis (\( H_0 \)): [empty box] - Alternative Hypothesis (\( H_a \)): [empty box] The educational content aims to help users select appropriate statistical symbols and form the hypotheses correctly for hypothesis testing.
Transcribed Image Text:**Current Attempt in Progress** State the null and alternative hypotheses for the situation described below for a statistical test. Testing to see if average sales are higher in stores where customers are approached by salespeople than in stores where they aren't. Let group 1 be the group of stores where customers are approached by salespeople and let group 2 be the group of stores where customers are not approached by salespeople. **Symbols and Options Available:** - \( = \) - \( \neq \) - \( < \) - \( > \) - \( \leq \) - \( \geq \) - \( \mu \) - \( \mu_1 \) - \( \mu_2 \) - \( p \) - \( p_1 \) - \( p_2 \) - \( - \) - \( \rho \) - \( \bar{x} \) - \( \bar{x}_1 \) - \( \bar{x}_2 \) - \( \hat{p} \) - \( \hat{p}_1 \) - \( \hat{p}_2 \) - \( r \) **Hypotheses description:** - Null Hypothesis (\( H_0 \)): [empty box] - Alternative Hypothesis (\( H_a \)): [empty box] The educational content aims to help users select appropriate statistical symbols and form the hypotheses correctly for hypothesis testing.
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