The following data show the percentage of the votes predicted by poll survey(x) for 8 candidates for the senate in different provinces and the percentage of the votes they actually received (y). Test at 5% level of significance if relationship exists between poll survey and actual votes received. DATA: POLL SURVEY 43 ACTUAL VOTES 46 50 48 30 40 25 35 40 25 36 40 50 35 46 52

The following data show the percentage of the votes predicted by poll survey(x) for 8 candidates for the senate in different provinces and the percentage of the votes they actually received (y). Test at 5% level of significance if relationship exists between poll survey and actual votes received. DATA: POLL SURVEY 43 ACTUAL VOTES 46 50 48 30 40 25 35 40 25 36 40 50 35 46 52

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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Question

Possible Lessons:

Correlation and Regression Analysis
Spearman’s Rank-Order Correlation
Introduction to Hypothesis Testing
Steps of Hypothesis Testing
Appropriate Statistical Test
The t-test and Z-test

Question:
The following data show the percentage of the votes predicted by poll survey (x) for 8 candidates for the senate in different provinces and the percentage of the votes they actually received (y). Test at 5% level of significance if relationship exist between poll survey and actual votes received.

Data is attached below.

Please show complete and accurate solution. Kindly make the solution clear and readable.

The following data show the percentage of the votes predicted by poll survey(x) for 8 candidates for the
senate in different provinces and the percentage of the votes they actually received (y). Test at 5% level
of significance if relationship exists between poll survey and actual votes received.
DATA:
POLL SURVEY 43 46 30
ACTUAL VOTES 50 48 35
40
25
40 25
36 40 50
35
46 52

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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