Question

Asked Dec 5, 2019

1 views

Step 1

(a)

Step by step procedure to obtain the test statistic using MINITAB software is given below:

- Choose
**Stat > Basic Statistics > 1-Sample**.*t* - In
**One or more samples, each in a column,**select**Difference**. - Check
**Options**, enter**Confidence level**as**95**. - In
**Perform Hypothesis test**, enter**0**Under**Hypothesized mean**. - Choose
**Mean ≠ Hypothesized mean**in**alternative**. - Click
**OK**in all dialogue boxes.

Output using the MINITAB software is given below:

Step 2

From the MINITAB output, the value of test statistic is **2.33.**

**(b)**

The degrees of freedom is obtained as follows:

Step 3

The critical value is obtai...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: A surgery intern has conducted a study of the sleeping habits of her colleagues and has developed a ...

A: Introduction:For each value of x (number of hours working on one shift), the value of y (number of h...

Q: Step 1: The equation of the least-squares regression line for predicting dates' heights from women's...

A: Given data and calculation for least square regression equation is shown below

Q: The table below shoes the number of dogs per household in a neighborhood 0 1 2 3 4 5 0.686 ...

A: a).The expected value (mean) of the probability distribution can be obtained as follows:

Q: Formulate the null and alternate hypotheses that will allow you to test for statistical significance...

A: The null and alternative hypotheses are stated below:That is, the mean does not decrease in the syst...

Q: im confused on this porblem

A: (a)The null hypothesis and alternative hypothesis:From the given information, the claim of the test ...

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those sc...

A: Step-by-step procedure to obtain the area of the shaded region using MINITAB:Choose Graph > Proba...

Q: The General Social Survey asked a sample of 2780 adults how many children they had, and also how man...

A: The null and alternative hypotheses are;Null hypothesis: The number of children a person has and the...

Q: For the given table of observed frequencies: 1 2 3 A 15 10 12 B ...

A: Hello there! there are more than three subparts in the question. According to our policies we cannot...

Q: Let X1, X2 be two independent random variables with the same mean EXi = µ andpossibly different vari...

A: Here, X1 and X2 are two independent random variables with mean µ and variance σi2, i=1, 2.The weight...