What is the critical value

Assignment Help Basic Statistics
Reference no: EM132167242

As part of a study of the cost of attending art school, you want to test the claim that the mean cost of one credit hour is less than $580. A random sample of 15 art schools has a mean of $572.48. Assume the population standard deviation is $99.20 and the population is normally distributed. Use 0.07

(a) Write the null hypothesis and alternative hypotheses mathematically and state which one is the claim.

H0: ____________ Ha: ____________ Claim: ___________________

(a) What is the critical value?

(b) What is the standardized test statistic?

(c) Should you Reject H0 or Fail to reject H0?

(d) There is sufficient / insufficient evidence to reject / support the claim.

Reference no: EM132167242

Questions Cloud

Find a test statistic of the proportion : The claim is that the proportion of challenges that are successful is greater than one-third. Find a test statistic of the proportion.
Develop a set of interview questions for the interview : Develop a set of interview questions for the interview to be conducted. Your interview questions can be the ones that you found on the Internet.
Determine the average age of the online students : We are planning on performing a study to determine the average age of the online students at NCC.
Write a for loop reads numbers from cin until : Write a for loop reads numbers from cin until ‘\n' character is encountered, continues if it encounters a number less than 10, breaks if it encounters.
What is the critical value : (a) What is the critical value? (b) What is the standardized test statistic? (c) Should you Reject H0 or Fail to reject H0?
Why are symbols important to a corporate culture : Why are symbols important to a corporate culture? Do stories, heroes, slogans, and ceremonies have symbolic value? Discuss. Give examples. Word count 1000 words
Percentage of people in new hampshire : We sample 85 people and 35 said that they vacation out of state. Estimate the true proportion of New Hampshire residents that vacation out of state.
How many different license plates are possible : There are 40 counties in that country and the alphabet used has 26 letters. How many different license plates are possible?
Write a subprogram that stores values into two arrays : write a subprogram that stores values into two arrays.One of the arrays will hold printable ASCII characters and the other will hold associated integer values.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Screen orientation and reasoning from small devices

The paper "Turning to Learn: Screen Orientation and Reasoning from Small Devices" (Computers in Human Behavior [2011]: 793-797) describes

  An order for a computer can specify any one of three memory

an order for a computer can specify any one of three memory sizes any one of two types of displays and any one of four

  Find confidence for the population average

Use the data above to find a 90% confidence for the population average, µ, of the percentage of hospitals providing at least some charity care.

  Rise of adolph hitler to power in germany

Discuss the rise of Adolph Hitler to power in Germany. What goals did Hitler espouse and how did he plan to achieve them? And why did so many Germans support the Nazis?

  What is the domain of given random variable

Define a random variable to be X = number selected - nearest integer . -  What is the domain of this random variable?

  Determine how many fatal crashes would have to occur

For a year to be in the upper 5% with respect to the number of fatal crashes, determine how many fatal crashes would have to occur.

  What is the decision rule for a hypothesis test about the

what is the decision rule for a hypothesis test about the dierence between two population means if the p -value is

  Mean depends on the asymptotic behavior

Ergodicity in the mean depends on the asymptotic behavior of the auto covariance of a process, cx(k). The asymptotic behavior of cx(k), however

  Create dot plot and box plot to represent data

Create a dot plot and a box plot to represent this data. If we create a sample by picking every 3rd data from the population, how would your answer to part a change? Show your work

  Comparison of paired and unpaired samples testin january 08

comparison of paired and unpaired samples test.in january 08 fifty clients of a county mental health mental retardation

  Determining mean and standard deviation

A manufacturing process produces items whose weights are basically distributed. It is known that 22.57% of all the items produced, weigh between 100 grams up to the mean and 49.18% weigh from the mean up to 190 grams.

  What is the expected amount you win

if the winning number has the digits 1, 2, 3, and 4 in any other order (there are23 such other orders). What is the expected amount you win?

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