Statistics

Use a x squared-test to test the claim about the population variance or standard deviation at the given level of significance and using the given sample statistics.

Claim: ơ2 ≤ 60; α = 0.025. Sample statistics: s2 = 72.7, n = 15

  1. 👍 0
  2. 👎 0
  3. 👁 52
  1. Is x-squared supposed to mesoan chi-squared?

    1. 👍 0
    2. 👎 0
    posted by drwls
  2. I think so, yes. I did not know how to type the symbols correctly on computer.

    1. 👍 0
    2. 👎 0
    posted by Brandon

Respond to this Question

First Name

Your Response

Similar Questions

  1. Statistics

    Use a chi-squared test to test the claim about the population variance or standard deviation at the given level of significance and using the given sample statistics. Claim: ơ2 ≤ 60; α = 0.025. Sample statistics: s2 = 72.7, n

    asked by Brandon on December 27, 2007
  2. statistics

    Given a sample size of 38, with sample mean 660.3 and sample standard deviation 95.9 we are to perform the following hypothesis test. Null Hypothesis H0: ƒÊ = 700 Alternative Hypothesis H0: ƒÊ ‚ 700 At significance level

    asked by Scott on August 9, 2010
  3. Statistics

    Scores on an IQ test are normally distributed. A sample of 15 IQ scores had standard deviation s=10. The developer of the test claims that the population standard deviation is =15. Do these data provide sufficient evidence to

    asked by steph on March 12, 2019
  4. Math146

    You wish to test the following claim (Ha) at a significance level of α=0.001. Ho:μ=69.1 Ha:μ

    asked by Lisa on August 7, 2018
  5. Statistics

    This is the first question..... For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size- (b) 3. This is the second question....For each of the following

    asked by Heather on May 3, 2011
  6. statistics

    it is stated that the standard deviation sample of the is 7.6 (n = 26). Test the claim to a significance level of 0.10 that the population standard deviation was greater than 7.0. Round all answers to 3 decimal places.

    asked by geety on July 28, 2012
  7. statistics

    it is stated that the standard deviation sample of the is 7.6 (n = 26). Test the claim to a significance level of 0.10 that the population standard deviation was greater than 7.0. Round all answers to 3 decimal places.

    asked by geety on July 28, 2012
  8. statistics

    Prep Courses? Scores for men (nationwide) on the verbal portion of the SAT test are normally distributed with a mean of 509 and a standard deviation of 112. Randomly selected men are given the Columbia review course before taking

    asked by STatistic on June 28, 2010
  9. Statistic

    For 3 and 4 find the range, variance, and standard deviation. Round to the nearest tenth. 3. Twelve students were given an arithmetic test and the times (in minutes) to complete it were 10, 9, 12, 11, 8, 15, 9, 7, 8, 6, 12, 10 4.

    asked by Artmisha on May 30, 2014
  10. MTH233/statistics UOP

    A car company says that the mean gas mileage for its luxury sedan is at least 21 miles per gallon. You believe the claim is incorrect and find that a random sample of five cars has a mean gas mileage of 19 miles per gallon and a

    asked by sue on July 27, 2010

More Similar Questions