Question
Asked Mar 23, 2020
2 views

A variable (X) of a population has a mean of 35 and a standard deviation of 42.

a. If the variable is normally distributed, describe (shape, center, spread) the sampling distribution of the sample mean for samples of size 9.

b. Can you answer part (a) if the distribution of the variable under consideration is unknown? Explain.

c. Can you answer part (a) if the distribution of the variable under consideration is unknown, but the sample size is 36 instead of 9? Explain.

check_circle

Expert Answer

Step 1

Statistics homework question answer, step 1, image 1

Step 2

Statistics homework question answer, step 2, image 1

Step 3

Statistics homework question answer, step 3, image 1

...

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.

Related Statistics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: In a poll of 558 human resource professionals, 36.4% said that body piercings and tattoos were big g...

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case yo...

question_answer

Q: a Multiple Choice 17-039 « Ques Exhibit 17-3 Consider the following time series: Year (t) Yi 4 4 Ref...

A: Introduction: Suppose a simple linear trend model of the form: Yi = b0 + b1t is fitted to a data, wh...

question_answer

Q: Can you help me, pease? (solely for acquisition, not graded)

A: Click to see the answer

question_answer

Q: Skim Milk: 0.033 g/mL Class Data: 0.0295 g/mL 0.0228 g/mL  0.0213 g/mL  0.0219 g/mL  0.0269 g/mL  0....

A: Introduction: Accuracy: An observed value is said to show accuracy, if it matches exactly with the t...

question_answer

Q: The article “Wastewater Treatment Sludge as a Raw Material for the Production of Bacillus thuringien...

A: Click to see the answer

question_answer

Q: Let X1, …, Xn be a random sample from a N(μ, σ²) population. Find the MLEs of μ and of σ.

A: GivenX1, X2,....Xn be a random sample from N(μ, σ²)  The joint probability density function is The m...

question_answer

Q: Can you please solve this problem and show the steps

A: Note: Hey there! Thank you for the question. As you have posted a question with more than 3 sub-part...

question_answer

Q: Blood type AB is found in only 3% of the population†. If 215 people are chosen at random, find the p...

A:  

question_answer

Q: How to do Chi square calculation

A: Steps for Chi-square calculation For each observed frequency, find the expected Frequency Subtract ...