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The table displays the distribution of the percentage of different types of home heating sources for a large mountain city, as reported by the city newspaper. Type of Heating Source Wood Stove Electric Propane/Gas Solar Radiant Floor Percent 38% 26% 20% 16% A chi-square goodness-of-fit test will be performed using a simple random sample of 100 homes to investigate whether the proportion of homes heated with each source is the same as what is reported by the newspaper. Which of the following represents the alternative hypothesis of the test? A The proportions for the different heating systems match those reported by the newspaper. At least one of the heating source proportions is the same as the corresponding proportion reported by the newspaper. The heating sources are not evenly distributed between homes. D. At least one of the heating source proportions is different from the proportion reported by the newspaper. E Wood stove heating represents the highest proportion of heating source.

The table displays the distribution of the percentage of different types of home heating sources for a large mountain city, as reported by the city newspaper. Type of Heating Source Wood Stove Electric Propane/Gas Solar Radiant Floor Percent 38% 26% 20% 16% A chi-square goodness-of-fit test will be performed using a simple random sample of 100 homes to investigate whether the proportion of homes heated with each source is the same as what is reported by the newspaper. Which of the following represents the alternative hypothesis of the test? A The proportions for the different heating systems match those reported by the newspaper. At least one of the heating source proportions is the same as the corresponding proportion reported by the newspaper. The heating sources are not evenly distributed between homes. D. At least one of the heating source proportions is different from the proportion reported by the newspaper. E Wood stove heating represents the highest proportion of heating source.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 13PT
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1. 2 4 6. 7 8. 9. 10 11) (12) 13 14 15) (16 Question 4 口 The table displays the distribution of the percentage of different types of home heating sources for a large mountain city, as reported by the city newspaper. Type of Heating Source Wood Stove Electric Propane/Gas Solar Radiant Floor Percent 38% 26% 20% 16% A chi-square goodness-of-fit test will be performed using a simple random sample of 100 homes to investigate whether the proportion of homes heated with each source is the same as what is reported by the newspaper. Which of the following represents the alternative hypothesis of the test? A The proportions for the different heating systems match those reported by the newspaper. B At least one of the heating source proportions is the same as the corresponding proportion reported by the newspaper. C The heating sources are not evenly distributed between homes. At least one of the heating source proportions is different from the proportion reported by the newspaper. Wood stove heating represents the highest proportion of heating source. 儿*sD . 吕口 F3 O00 D00 II F8 esc F9 F10 FI1 F1 F2 F4 F5 F6 F7 CO 5
Transcribed Image Text:1. 2 4 6. 7 8. 9. 10 11) (12) 13 14 15) (16 Question 4 口 The table displays the distribution of the percentage of different types of home heating sources for a large mountain city, as reported by the city newspaper. Type of Heating Source Wood Stove Electric Propane/Gas Solar Radiant Floor Percent 38% 26% 20% 16% A chi-square goodness-of-fit test will be performed using a simple random sample of 100 homes to investigate whether the proportion of homes heated with each source is the same as what is reported by the newspaper. Which of the following represents the alternative hypothesis of the test? A The proportions for the different heating systems match those reported by the newspaper. B At least one of the heating source proportions is the same as the corresponding proportion reported by the newspaper. C The heating sources are not evenly distributed between homes. At least one of the heating source proportions is different from the proportion reported by the newspaper. Wood stove heating represents the highest proportion of heating source. 儿*sD . 吕口 F3 O00 D00 II F8 esc F9 F10 FI1 F1 F2 F4 F5 F6 F7 CO 5
Question 6 Jana, a high school principal, hosted a movie event at her school. Jana's assistant kept track of the number of students in each grade who attended the event. The distribution shown in the table represents the number of students in each grade that were present. Grade Level Freshman Sophomore Junior Senior Number 52 56 60 70 Jana knows that the grade levels are equally distributed across the school of 1,200 students. She would like to use a chi-square test to see if the proportion of individuals in each class at the movie are also equally distributed. How many seniors would be expected at the event? A 840 352.9 C 300 D E 59.5 F10 FI1 F8 F9 吕口 F3 O00 000 F6 F7 esc F4 F5 FI F2 一 & @ # $ 6 8 9 70
Transcribed Image Text:Question 6 Jana, a high school principal, hosted a movie event at her school. Jana's assistant kept track of the number of students in each grade who attended the event. The distribution shown in the table represents the number of students in each grade that were present. Grade Level Freshman Sophomore Junior Senior Number 52 56 60 70 Jana knows that the grade levels are equally distributed across the school of 1,200 students. She would like to use a chi-square test to see if the proportion of individuals in each class at the movie are also equally distributed. How many seniors would be expected at the event? A 840 352.9 C 300 D E 59.5 F10 FI1 F8 F9 吕口 F3 O00 000 F6 F7 esc F4 F5 FI F2 一 & @ # $ 6 8 9 70
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