Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

An instructor for a test preparation course claims that the course will improve the test scores of students. The table shows the critical reading scores

image text in transcribed
image text in transcribed
An instructor for a test preparation course claims that the course will improve the test scores of students. The table shows the critical reading scores for 14 students the first two times they took the test. Before taking the test for the second time, the students took the instructor's course to try to improve their critical reading test scores. At a = 0.01, is there enough evidence to support the instructor's claim? Complete parts (a) through (f). Student 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Score on first test 320 337 457 411 359 506 483 616 426 361 452 430 559 455 Score on second test 329 350 467 425 294 556 4 19 640 437 379 465 458 575 504 (a) Identify the claim and state Ho and Ha The claim is "The students' critical reading test scores the second time they took the test." Let ud be the hypothesized mean of the students' first score minus their second score. State Ho and Ha. Choose the correct answer below. OA. Ho: Hd 2d OB. Ho: Hd = 0 OC. Ho: Hd SO Hai Hd 0 OD. Ho: Ha Sd OE. HO: Hd #0 OF. HO: Hd 20 Ha Ha > d Ha : Hd = 0 Hai Hd 3.012 O B. t 2.650 O C. t> 3.012 OD. t

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

University Calculus Early Transcendentals, Multivariable

Authors: Joel R Hass, Maurice D Weir, George B Thomas Jr

2nd Edition

0321830849, 9780321830845

More Books

Students also viewed these Mathematics questions

Question

5. How can I help others in the network achieve their goals?

Answered: 1 week ago