200 people were randomly sampled and asked what they regularly eat for breakfast or lunch.Each person was identified as either a consumer or a non consumer of high-fiber cereals, and thenumber of calories consumed at lunch was measured and recorded. These data are summarizedbelow:Consumer of high fiber cerealsNon consumer of high cerealsn1=41n2 = 159 Mean 1 = 603Mean 2 = 639 Standard deviation 1= 110 standard deviation 2 = 141If the scientist claims that people who eat high fiber cereals for breakfast do consume on averagefewer calories for lunch than people who don't eat high fiber cereals for breakfast, and if it istrue, high fiber cereal manufacturer will be able to claim another advantage of eating theirproducts-potential weight reduction for dieter.REQUIREDAre there sufficient evidence at 5% significance level to support the above claim?

Answered: 200 people were randomly sampled and…

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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Question

200 people were randomly sampled and asked what they regularly eat for breakfast or lunch.
Each person was identified as either a consumer or a non consumer of high-fiber cereals, and the
number of calories consumed at lunch was measured and recorded. These data are summarized
below:

Consumer of high fiber cereals	Non consumer of high cereals
n1=41	n2 = 159
Mean 1 = 603	Mean 2 = 639
Standard deviation 1= 110	standard deviation 2 = 141

If the scientist claims that people who eat high fiber cereals for breakfast do consume on average
fewer calories for lunch than people who don't eat high fiber cereals for breakfast, and if it is
true, high fiber cereal manufacturer will be able to claim another advantage of eating their
products-potential weight reduction for dieter.
REQUIRED
Are there sufficient evidence at 5% significance level to support the above claim?

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