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The mean entry level salary of an employee at a company is $58,000. You believe it is higher for IT professionals in the company. State the null and alternative hypotheses.

Short Answer

Expert verified

H0:μ=58,000 is the null hypothesis and

Ha:μ>58,000is an alternate hypothesis.

Step by step solution

01

Introduction

A hypothesis is a solution for a phenomenon that has been proposed. The average starting wage for a firm employee is $58,000. It is higher in the company for IT specialists.

The scientific process requires that a hypothesis be tested before it will be termed a scientific hypothesis. Technical hypotheses are frequently based on evidence from the past that can't be explained by modern scientific theory.

02

Explanation

We're establishing whether an employee's average entry-level compensation is greater than $58,000.

As a result, the hypothesis of null is as follows:

H0: An employee's average entry-level wage in a company is $58,000.

The hypothesis of alternative is the null hypothesis states that no difference exists between sample means or proportions, or between a sample mean or proportions and a population mean or percentage.

Ha: An employee's usual entry-level wage is greater than $58,000.The alternative hypothesis: It's the population claim that contradicts Ho, and it's what we come to after we reject Ho.

03

Conclusion 

the null and alternative hypotheses for the given data:

H0:μ=58,000

Ha:μ>58,000

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Most popular questions from this chapter

La Leche League International reports that the mean age of weaning a child from breastfeeding is age four to five worldwide. In America, most nursing mothers wean their children much earlier. Suppose a random survey is conducted of 21 U.S. mothers who recently weaned their children. The mean weaning age was nine months (3/4 year) with a standard deviation of 4 months. Conduct a hypothesis test to determine if the mean weaning age in the U.S. is less than four years old.

Over the past few decades, public health officials have examined the link between weight concerns and teen girls' smoking. Researchers surveyed a group of 273randomly selected teen girls living in Massachusetts (between 12and 15years old). After four years the girls were surveyed again. Sixty-three said they smoked to stay thin. Is there good evidence that more than thirty percent of the teen girls smoke to stay thin?

After conducting the test, your decision and conclusion are

a. RejectH0: There is sufficient evidence to conclude that more than30%of teen girls smoke to stay thin.

b. Do not rejectH0: There is not sufficient evidence to conclude that less than 30%of teen girls smoke to stay thin.

c. Do not reject H0: There is not sufficient evidence to conclude that more than 30% of teen girls smoke to stay thin.

d. Reject H0: There is sufficient evidence to conclude that less than 30% of teen girls smoke to stay thin.

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