For a standardized psychology examination, the scores have id deviation of 98. It is hypothesized that the standard devi

Business, Finance, Economics, Accounting, Operations Management, Computer Science, Electrical Engineering, Mechanical Engineering, Civil Engineering, Chemical Engineering, Algebra, Precalculus, Statistics and Probabilty, Advanced Math, Physics, Chemistry, Biology, Nursing, Psychology, Certifications, Tests, Prep, and more.
Post Reply
answerhappygod
Site Admin
Posts: 899603
Joined: Mon Aug 02, 2021 8:13 am

For a standardized psychology examination, the scores have id deviation of 98. It is hypothesized that the standard devi

Post by answerhappygod »

For A Standardized Psychology Examination The Scores Have Id Deviation Of 98 It Is Hypothesized That The Standard Devi 1
For A Standardized Psychology Examination The Scores Have Id Deviation Of 98 It Is Hypothesized That The Standard Devi 1 (41.94 KiB) Viewed 86 times
For a standardized psychology examination, the scores have id deviation of 98. It is hypothesized that the standard deviation, o, of scores for psychology majors on this exam is lower than 98. Enter your search term as completed by psychology majors had a mean of 511 and a standard deviation of 71. Assuming that scores among psychology majors on this exam are approximately normally distributed, may we conclude, at the 0.05 level of significance, that the hypothesis is correct? Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places and round your answers as specified below. (If necessary, consult a list of formulas.) u a р (a) State the null hypothesis Ho and the alternative hypothesis H1 H:0 x s 4:0 吕 Chi square ロ=口 OSO DO (b) Determine the type of test statistic to use. Degrees of freedom: 0 (c) Find the value of the test statistic. (Round to three or more decimal places.) 0 ロ<ロ X G ? (d) Find the critical value. (Round to three or more decimal places.) 0 (e) Can we conclude that the standard deviation of scores for psychology majors on the exam is lower than 98? Yes No
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!
Post Reply