Sample standard deviation confidence interval for mean

Assignment Help Basic Statistics
Reference no: EM13145878

Using the given data set, find (a) the sample mean, (b) the sample standard deviation, (c) construct a 98% confidence interval for the population mean μ. Assume the data set is normally distributed. The monthly incomes for 14 randomly selected people, each with a bachelor's degree in economics (adapted from U.S. Bureau of Labor Statistics)

5418.76 5278.63 5912.05 6118.35 5647.86 5714.38
5365.19 5524.91 5761.57 4924.16 5494.66 5619.74
6205.64 5801.23

Reference no: EM13145878

Questions Cloud

Prepare the consolidation entry in connection : What balances would need to be considered in order to prepare the consolidation entry in connection with these intercompany bonds at December 31, 2008, the end of the first year of the intercompany investment?
Which level of confidence requires a larger sample size : Determine the minimum sample size he must select if he wants to be 90% confident that the true average time is within 10 minutes of the sample average?
Estimate the amount of manufacturing overhead cost : For both March and June, estimate the amount of manufacturing overhead cost added to production. The company had no underapplied or overapplied overhead in either month.
Parent net income reflected use of the equity method : 1. If the parent's net income reflected use of the equity method, what were the consolidated retained earnings on December 31, 2010?
Sample standard deviation confidence interval for mean : Using the given data set, find (a) the sample mean, (b) the sample standard deviation, (c) construct a 98% confidence interval for the population mean μ.
Total factory labor costs transferred to work in process : Determine the total factory labor costs transferred to Work in Process and Factory Overhead for September. Determine the amount of factory overhead applied to production for September.
Ow much money should be set aside at end of each month : A supplemental retirement fund of $200,000 is desired in 20 years. How much money should be set aside at the end of each month if the interest rate is 1% per month.
The first case i saw involved a man : The first case I saw involved a man who worked in with the CTF and they wanted him terminated. There was a supervisor from the CTF present and came forward with an issue that involved the defendant that morning. She said that he had started anothe..
Two main categories of fraud : Identify and briefly explain the two main categories of fraud which are of major concern to auditors.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Testing significance of correlation coefficient-least square

Also use the regression model to predict a student's average if he/she misses 4 classes.

  Knowledge about chi square test

A personnel manager has a computer-generated list of all employees that indicates that 70 percent are full-time employees, 20 percent are part-time employees, and 10 percent are furloughed or laid-off employees.

  Probability that sample of steady smokers spend in a range

Assume a steady smoker spends on average $20 with a standard deviation of $5 per week on cigarettes. What is the probability that a sample of 100 steady smokers spend between $19.50 and $21?

  Conclusion of mean waiting time

At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes?

  Which pure element would react violently with oxygen

Based on its position in the periodic table of the elements, which pure element would also react violently with oxygen and water?

  Show that z has continuous distribution and find its pdf

Suppose that Y has a continuous distribution with pdf f2, let Z=X+Y. Show that Z has a continuous distribution and find its pdf.

  Determine the marginal densities of coordinates

Point is uniformly distributed in the unit sphere in three dimensions. a) Determine the marginal densities of the x, y, and z coordinates.

  Determine the p-value and explain its meaning

Can you conclude that the information in the article is untrue? Use the 0.05 significance level. Determine the p-value and explain its meaning.

  T test for mean of residential property cost

The chamber of commerce of a Florida Gulf Coast community advertises that area residential property is available at a mean cost of $125,000 or less per lot.

  Hypothesis process with real world examples

Using P-values for hypothesis testing they are intuitively easy and dont require critical values in charts. In real world terms, what is the best way to describe how P-values work and how to explain this to someone?

  One time fling-binomial model

Ethics. The one-time fling! Have you ever purchased an article of clothing (dress, sports, jackets, etc.) worn the item once to a party, then returned the purchase?

  Creating frequency distribution

From the course text and research I am able to create a frequency band with a single number (ie. 10, 20, 30, etc.). However, I am having difficulty creating the band with a number range (ie. $0-$999,999 or $1,000,000-$5,000,000).

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd