Question: 1) Using the sample calculate a 95% two-sided confidence interval for the following. A. Mean of TOTAL Score B. Mean of INCOME C. Proportion of

1) Using the sample calculate a 95% two-sided confidence interval for the following.

A. Mean of TOTAL Score

B. Mean of INCOME

C. Proportion of "HIGH" performers among Male learners

D. Proportion of "HIGH" performers among Female Learners.

2) If we want to estimate a 95% confidence interval for the population mean of "TOTAL" marks within 5 marks, what is the sample size required? Please note that you do not know . You may use your present sample of 1000 as a pilot sample.

3) If we want to estimate a 95% confidence interval for the proportion of "HIGH" performers within 0.05, what is the appropriate sample size?

Please suggest how should I share excel data file?

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!

Score: Week 4 Confidence Intervals and Chi Square (Chs 11 - 12) For questions 3 and 4 below, be sure to list the null and alternate hypothesis statements. Use .05 for your significance...

Score: Week 3 ANOVA and Paired T-test At this point we know the following about male and female salaries. Male and female overall average salaries are not equal in the population. a. Male and female...

Score: Week 4 Confidence Intervals and Chi Square (Chs 11 - 12) For questions 3 and 4 below, be sure to list the null and alternate hypothesis statements. Use .05 for your significance...

ID Salary Compa Midpoint Age Performance Service Gender Rating Raise Degree Gender 1 Gr Students: Copy the Student Data file data values into this sheet to assist in doing your weekly assignments....

Spring 2016 INEN 4320: Statistical Decision Making - Midterm Exam Name:_________________________ Signature ______________________ By signing the honor pledge you are swearing that you have neither...

Score: Week 4 Confidence Intervals and Chi Square (Chs 11 - 12) For questions 3 and 4 below, be sure to list the null and alternate hypothesis statements. Use .05 for your significance...

ID Salary Compa Midpoint Age 4 5 6 7 8 9 10 11 12 13 14 15 19 20 21 22 26 27 30 31 32 43 44 49 50 1 2 3 16 17 18 23 24 25 28 29 33 34 35 36 37 38 39 40 41 42 45 46 47 48 75.4 72 46 26.9 59.8 65.4...

solve these practice problems The relative conductivity of a semiconductor device is determined by the amount of impurity "doped" into the device during its manufacture. A silicon diode to be used...

Your group works for Warner Music Group (www.wmg.com), a large music record label whose sales are declining largely due to digital piracy. Your supervisor assigns you the task of developing a...

The US company needs funding in the amount of 5 million USD. Funding may be in the form of a debt: 4-year bonds issued in USD, interest rate: 10 percent per year. The company, however, considers the...

E6.8 (LO 3) (Recording Bad Debts) At the end of 2025, Sorter plc has accounts receivable of 900,000 and an allowance for doubtful accounts of 40,000. On January 16, 2026, Sorter determined that its...

Question 4. (Total 10 points) The operators of a doggie day care offer doggie pedicures on the premises. One person works the pedicure counter at a time. Doggie pedicures are exponentially...

3. Give three examples from your own everyday life where a piece of communi-cation is structured into a linear sequence, i.e. B is the cause of A.

2. What information is conveyed through a particular type of metaphor? The answer to the question gives us insight into what code the person using the metaphor uses, and thus an insight into how...

2. Give six examples that silence (not saying anything) or not responding can be very informative to the other party.