You are required to i. Perform Hypothesis Testing. ii. Provide conclusion. iii. Also illustrate your answer.

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These days its all about eating outdoors. People find it convenient to eat at a cafe rather than
having to cook at home. Cooking at home seems like a very difficult task for this generation as
they are busy with their studies, odd jobs and social media. They hardly get time to do all the
groceries and then to keep track of preparing the meals on time.
But going out to eat is not easy but also comes with some costs. If we check the price of making
some kind of food like Daal Gosht by buying Meat, Daal and Spices from the store, the mean
charges come to Rs. 660.

But if we go to a café to eat the same menu, we will have to bear less charges like upto Rs. 549 as
shown by the sample that is collected from 200 different cafés with SD value of Rs. 5
You are required to
i. Perform Hypothesis Testing.
ii. Provide conclusion.
iii. Also illustrate your answer.
iv. What is the Type I error in this situation?
v. What is the Type II error in this situation?

Expert Solution
Step 1

As per our guidelines, we are allowed to answer first three sub-parts only. Thanks

Sample details :

Sample Mean , x¯ = 549

Sample standard deviation , s = 5

Sample size , n = 200 different cafés

 

Claim to be tested : But if we go to a café to eat the same menu, we will have to bear less charges

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