Confidence interval of the mean

Assignment Help Basic Statistics
Reference no: EM131620053

A student randomly surveyed n = 36 other students and found that the mean amount of money spent on texts was x‾ = $121.60. If the standard deviation of the population was σ = $6.36, find the 90% confidence interval of the mean.

Reference no: EM131620053

Questions Cloud

How do you handle conflict co-workers : How do you handle conflict co-workers; and Explain your understanding of leadership and followership, and how would you apply them in this position?
Probability that the selected person : Assume that one of the subjects is randomly selected. What is the probability that the selected person refused to respond or is over 59 years of age?
Identify the specific aspects of competence : Identify the specific aspects of competence you attempted to enact, citing specific ideas from our readings and/or lectures
Best predicted cost of subway fare : Using the equation found in Part b, find the best predicted cost of subway fare when the CPI is 182.5
Confidence interval of the mean : If the standard deviation of the population was s = $6.36, find the 90% confidence interval of the mean.
Describe how laws or regulations affect your current job : Describe how ethical rules affect your past or current job and explain why ethics are considered an asset to your past or current workplace.
How paine would feel about states rights : Compare Paines Rights of Man, and how Paine would feel about states rights versus federal law - issue tied to states' rights and federal law
What fraction of bulbs are expected to last longer : The time to failure of Easting home light bulbs is Wei bull distributed with v = 1.8 x 103 hours, ß = ½, and a = 1/3 x 103 hours.
Create a scatter plot with the predicted line : Create a scatter plot with the predicted line of best fit drawn on it. Determine the type of correlation (if any), and predict the model that will be

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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