Question

Instruction for Hypothesis Testing (Problems 17-25, Except 24) For One Population: Show your work for finding Test value, Critical value(s), or P-value. For Two Populations: Use your calculator to give the values of Test Value and P-value. O O O O Indicate your parameter Indicate the claim List the given information Then start your five steps. Pay attention to the method, such as Traditional or P- value Put the step numbers inside a box For step (1): Indicate Ho Indicate Hi Tell if Ho or Hy is the claim (put the word claim inside parentheses in front of the claim sentence) o Identify the type of test such as right-tail test, left-tail test, or two-tail test The name of the test is in the direction of H1 For step (2): Find Critical Value (CV) for Traditional method Find Test value for P-value method For step (3): Find Test value for Traditional method Find P-value for P-value method For step (4), decide to reject Ho or not reject Ho. Circle your result. For Traditional method, draw the bell curve. Separate critical region from non-critical region using CV and locate your test value on the graph For P-value method, compare your P-value with a. For step (5), write your summary according to the slide #5 of lesson 8.2. Other similar statements are not expectable! On this step: Underline is or is not, also underline reject or support. . O O . O O . o O o

Answer 1

Parameter = M. claim: of is less planes in his company than Average age the national average. given, = 11.8, Mo = 14 s=2.7, n=36, a= 0.01 slept Hol M=14 . HA! ML14 Left – tail test. Step 2: Critical value = – tai ne = – to. 01:35 = – 2,438 P-value < 0.0001, √36 (11.8-14) Test statistic, Step 3: Su (n-plo) - t = S 2.7 =yta – 4.89 P-value = 0.00001

Stepa critical region tev = (-2.438) Sinces P-value we reject our Ho. steps: There is not enough evidence the support claim at d=0.01.

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