MATH 1740 NCC Week 12 Statistics Hypothesis Testing Worksheet
Math 1740Hypothesis Testing Assignment
Last year, the national mean on the SAT Math test was 523. In their brochure to
recruit students, The Cooley Academy High School is claiming that their students
consistently score higher than the national average on the SAT Math test.
In order to test this claim, a random sample of 50 SAT Math test scores from Cooley
Academy students are listed on the next page. Use the scores to test the claim that
the mean test score for all Cooley Academy students is greater than 523 (thus,
testing the claim that the mean SAT Math score for Cooley Academy students is
greater than the national average).
1. State the claim, null hypothesis, and alternate hypothesis in symbols.
2. Copy and paste the sample of 50 Cooley Academy SAT math test scores into
one column in stat crunch. Calculate the mean and standard deviation for the
3. Use stat crunch to run a hypothesis test for mean. Go to stat → t-stats → onesample →with summary
Enter information about your sample. Enter your information for
your null hypothesis and alternative hypothesis (make sure to select
the appropriate inequality sign for your alternate hypothesis).
Record your p-value: ____________
4. Based on your p-value, do you reject your null hypothesis or fail to reject
your null hypothesis? Use a 0.05 significance level.
5. Based on your answer to #4, does the sample data provide evidence that
Cooley Academy has SAT Math test scores that are higher than the national
average? Is it fair for Cooley Academy to be claiming their test scores are
higher than the national average?
Hypothesis Testing Assignment
We've got everything to become your favourite writing service
Money back guarantee
Your money is safe. Even if we fail to satisfy your expectations, you can always request a refund and get your money back.
We don’t share your private information with anyone. What happens on our website stays on our website.
Our service is legit
We provide you with a sample paper on the topic you need, and this kind of academic assistance is perfectly legitimate.
Get a plagiarism-free paper
We check every paper with our plagiarism-detection software, so you get a unique paper written for your particular purposes.
We can help with urgent tasks
Need a paper tomorrow? We can write it even while you’re sleeping. Place an order now and get your paper in 8 hours.
Pay a fair price
Our prices depend on urgency. If you want a cheap essay, place your order in advance. Our prices start from $11 per page.