What is the t? distribution

Assignment Help Basic Statistics
Reference no: EM132412505

What is the t? distribution? What factors determine its? shape? Describe conditions under which you could use a t distribution instead of a normal distribution when making inferences about a population mean.

Reference no: EM132412505

Questions Cloud

What is a cohort effect : What is a cohort effect? What are the two reasons for why correlation is not the same as causation?
Find the probability that the average sleeping time : Find the probability that the average sleeping time for a randomly selected sample of 42 students is more than 5.5 hours per night.
Determine the probability of the sample mean weight : What is the probability of the sample mean weight being more than 3 pounds away from 26? (Enter your answer to four decimal places.)
State the null and alternative hypotheses : State the null and alternative hypotheses to determine if babies tend to look at the hinderer toy longer than the helper toy. Let µd=µhinderer - µhelper?
What is the t? distribution : Describe conditions under which you could use a t distribution instead of a normal distribution when making inferences about a population mean.
Find the probability expressions : Based on her past experience, she has assigned the following probability distribution to the number of tubes she will rent on a randomly selected day.
Find the 79th percentile of the sleeping time of students : The time a student sleeps per night has a normal distribution with mean 6 hours and a standard deviation of 0.5 hours.
Compute the value of the test statistic : State the null and alternate hypotheses. Compute the value of the test statistic Find the P-value for the sample test statistic
What is the probability that the box is shipped : If no faulty switches are found, the box is shipped. If there are 10 faulty switches in a box of 25, what is the probability that the box is shipped?

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