Please don't use the excel formula to solve it and show me the steps how to do it by myself

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Please don't use the excel formula to solve it and show me the steps how to do it by myself 

1. Identify the parameter and set up null and alternative hypotheses.

---

d. A drug company says their brand of over-the-counter pain medicine contains on average 1.25 grams of acetaminophen in each tablet. A consumer wants to find evidence against the drug company’s claim.

   1. Identify the parameter:
   2. Null hypothesis:
   3. Alternative Hypothesis:

---

e. Social scientists suspect the median age of women at the birth of the first child is more than 25 years.

   1. Identify the parameter:
   2. Null hypothesis:
   3. Alternative Hypothesis:

---

f. A consumer advocacy group wants to prove there is no difference between regular unleaded and premium unleaded average gas mileage.

   1. Identify the parameter:
   2. Null hypothesis:
   3. Alternative Hypothesis:
Transcribed Image Text:1. Identify the parameter and set up null and alternative hypotheses. --- d. A drug company says their brand of over-the-counter pain medicine contains on average 1.25 grams of acetaminophen in each tablet. A consumer wants to find evidence against the drug company’s claim. 1. Identify the parameter: 2. Null hypothesis: 3. Alternative Hypothesis: --- e. Social scientists suspect the median age of women at the birth of the first child is more than 25 years. 1. Identify the parameter: 2. Null hypothesis: 3. Alternative Hypothesis: --- f. A consumer advocacy group wants to prove there is no difference between regular unleaded and premium unleaded average gas mileage. 1. Identify the parameter: 2. Null hypothesis: 3. Alternative Hypothesis:
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