Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. the survey of study habits and attitudes (ssha) is

The Survey of Study Habits and Attitudes (SSHA) is a phychological test that measures the motivation,...

50.1K

Verified Solution

Question

Basic Math

The Survey of Study Habits and Attitudes (SSHA) is aphychological test that measures the motivation, attitude towardschool, and study habits of students. Scores range from 0 to 200.The mean score for U.S. college students is about 115, and thestandard deviation is about 30. A teacher who suspects that olderstudents have better attitudes toward school gives that the SSHA to25 students who are at least 30 years of age. Their mean is ¯x =127.8.

(a) Assuming that ? = 30 for the population of older students,carry out a test of

H0 : µ = 115

Ha : µ > 115

Report the P-value of your test, and state yourconclusion clearly.

(b) Your test in part (a) required two importantassumptions in addition to the assumption that the value of ? isknown. What are they? Which of these assumptions is most importantto the validity of your conclusion in part (a)?

Answer & Explanation Solved by verified expert
4.3 Ratings (843 Votes)
mean score for US college students 115standard deviation 30Here sample mean 1278a Here population of standard deviation is given    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Biology
1.2K views

provides a complete presentation O Template O Design O Colors Slide desing Tor tr

Physics
1.2K views

13 A particle of mass m is moving with a velocity v and another particle...

Basic Math
1.2K views

For the function f(x)=x9 - 8x + 8x - 7, state:a) the maximum number of...

Statistics
1.2K views

You intend to estimate a population mean with the following sample 31 42 5 39...

Statistics
1.2K views

Food inspectors inspect samples of food products to see if they are safe This can...

Calculus
1.2K views

For the graph of y f x shown to the right find the absolute minimum...

Algebra
1.2K views

LR2: A pattern of numbers has a multiplier of -3 and has a value of...

Algebra
1.2K views

K rev f x x 2 and g x x Step 1 of 2 Find...

Accounting
1.2K views

uick assets formula for balance sheet

Finance
1.2K views

2. Which method of accounting generally provides the most accurate information on organizational performance (income...

Accounting
1.2K views

please just answer (a2)(a2) Compute each of the following under the variable-cost approach:...

Finance
1.2K views

Johns Bait and Fish Shop has had the monthly sales amounts listed below for the...