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There are three major companies who manufacture gaming consoles. The table below shows that market shares of these three companies, based on last year's global sales figures. This year, each of these companies is going to launch a new generation of their console. In a survey, a random sample of console owners were asked, which company's new model they are most likely to buy. The results of the survey are show below: We can use these data to test whether we have enough evidence that the market shares of the three companies are going to change. Calculate the test statistic which can be used to test the null hypothesis that distribution of current buying intentions among console owners are identical to last year's market shares.

There are three major companies who manufacture gaming consoles. The table below shows that market shares of these three companies, based on last year's global sales figures. This year, each of these companies is going to launch a new generation of their console. In a survey, a random sample of console owners were asked, which company's new model they are most likely to buy. The results of the survey are show below: We can use these data to test whether we have enough evidence that the market shares of the three companies are going to change. Calculate the test statistic which can be used to test the null hypothesis that distribution of current buying intentions among console owners are identical to last year's market shares.

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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There are three major companies who manufacture gaming consoles. The table below shows that market shares of these three companies, based on last year's global sales figures. This year, each of these companies is going to launch a new generation of their console. In a survey, a random sample of console owners were asked, which company's new model they are most likely to buy. The results of the survey are show below: We can use these data to test whether we have enough evidence that the market shares of the three companies are going to change. Calculate the test statistic which can be used to test the null hypothesis that distribution of current buying intentions among console owners are identical to last year's market shares. (The result must be accurate within +0.05).
There are three major companies who manufacture gaming consoles. The table below shows that market shares of these three companies, based on last year's global sales figures. Market share Sunny Gameport 6% Purchase intention This year, each of these companies is going to launch a new generation of their console. In a survey, a random sample of console owners were asked, which company's new model they are most likely to buy. The results of the survey are show below: Sunny Gameport Marcohard Y-Crate 71% 19 NineTendons Swap 23% Marcohard Y-Crate 234 NineTendons Swap 94 We can use these data to test whether we have enough evidence that the market shares of the three companies are going to change. Calculate the test statistic which can be used to test the null hypothesis that distribution of current buying intentions among console owners are identical to last year's market shares. (The result must be accurate within ±0.05).
Transcribed Image Text:There are three major companies who manufacture gaming consoles. The table below shows that market shares of these three companies, based on last year's global sales figures. Market share Sunny Gameport 6% Purchase intention This year, each of these companies is going to launch a new generation of their console. In a survey, a random sample of console owners were asked, which company's new model they are most likely to buy. The results of the survey are show below: Sunny Gameport Marcohard Y-Crate 71% 19 NineTendons Swap 23% Marcohard Y-Crate 234 NineTendons Swap 94 We can use these data to test whether we have enough evidence that the market shares of the three companies are going to change. Calculate the test statistic which can be used to test the null hypothesis that distribution of current buying intentions among console owners are identical to last year's market shares. (The result must be accurate within ±0.05).
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