Question: The grade point average for 12 randomly selected college students is shown below. complete parts a) through c) 2.4,1.8,2.4,0.3,3.1,0.9,1.5,2.3,2.7,4.0,3.5,3.4 Assume the population is normally distributed.

The grade point average for 12 randomly selected college students is shown below. complete parts a) through c)

2.4,1.8,2.4,0.3,3.1,0.9,1.5,2.3,2.7,4.0,3.5,3.4

Assume the population is normally distributed.

a) find the sample mean.

b)Find the sample standard deviation.

c) Construct a 99% confidence interval for the population mean .

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Q:

The grade point averages(GPA) for 12 randomly selected college students are shown on the right. Complete parts(a) through(c) below. Assume the population is normally distributed. 2.4 3.2 2.9 1.7 0.9...

Q:

(9) Construct and interpret a Confidence Interval to estimate an entire population's Mean The grade point averages for 10 randomly selected college students are listed below. 2.0 3.2 1.8 2.9 0.9 4.0...

Q:

Solve the following attachments 2. Suppose that you are vacationing at a resort in the Caribbean and you are trying to determine how to spend your time and money on two activities, windsurfing and...

Q:

Instructor: Basu Dipanker Course: MAT-240-Q6622-16EW6 Assignment: 6-2 MyStatLab: Module Six Problem Set 1. Determine whether the scatter diagram indicates that a linear relation may exist between the...

Q:

QUESTION 44 The correlation of height and weight is 0.75, and the correlation of depression and satisfaction with work is 0.42. Which is a stronger correlation and why? A. height and weight; 0.42 is...

Q:

Question1: The deterioration of many municipal pipeline networks across the country is a growing concern. One technology proposed for pipeline rehabilitation uses a flexible liner threaded through...

Q:

6.2.26-T Question Help The grade point averages (GPA) for 12 randomly selected college students are shown on the right Complete parts (a) through (c) below. 2.1 34 27 0 Assume the population is...

Q:

Unit 3 Problem Set NAME: Elements of Statistics--FHSU Virtual College--Summer 2015 REMEMBER, these are assessed preparatory problems related to the content of Unit 3. The Unit 3 Exam will consist of...

Q:

You don't have to supply a long explanation. Shown work works just as well! QUESTION 5 Construct a 95% confidence interval for the population mean, J. A study of 14 bowlers showed that their average...

Q:

ID Salary Compa Midpoint Age Performance Rating Service 8 10 11 14 15 23 26 31 35 36 37 42 3 18 20 39 7 13 22 24 45 17 48 28 43 19 25 40 2 32 34 16 27 41 5 30 1 4 23 24 24 23 24 23 24 23 24 25 24 22...

Q:

Describe the process of alternative splicing in eukaryotic gene expression.

Q:

Kayla sold a total of 145 Italian sausages and hot dogs from her curbside pushcart and collected $242.05. She sold 45 more hot dogs than sausages. How many of each did she sell? CENTR

Q:

Which of the following accounting measures indicates the amount of stockholder funds used to finance a firm? Price / earnings ( P / E ) ratio Book value Actual rate of return Net profit margin...

Q:

A company issues 1,050 shares of its common stock for $33,600 cash. Prepare journal entries to record this event under each of the following separate situations.