Which of the following are the correct statements of the null and alternate hypotheses, Ho and HA? O Ho: M₁ M2 and HA: M1 M2 = O Ho: H1 H₂ and HA: M1 = M2 # Ho: H1 H₂ and HA: M1 ≤ M2

A smoke alarm is supposed to make noise when there is a fire and stay silent when there is no fire. Designers of a smoke detector would use the following hypotheses: H0: There is no fire. HA: There is a fire. What is a Type II error in this scenario? Group of answer choices A Type II error is the smoke alarm making noise when there is no fire. A Type II error is the smoke alarm making noise when there is a fire. A Type II error is the smoke alarm remaining silent when there is a fire. A Type II error is the smoke alarm remaining silent when there is no fire.

Directions: Perform an analysis of variance (ANOVA) to determine if the differe rates in African, Asian and Middle Eastern countries is statistically significant. 1. Click on the Data button below to display the data. Copy the data into a and click the Data button a second time to hide it. Data Africa Asia MiddleEast 73 178.6 14 138 116 108.1 69 129 72 77 30 11.7 45.4 7.1 42 140 89 16.6 100 73 47 145 23 38 93 22 74 71 66 75 81 129 26 132 104.7 83 42 143 6.5 131 20.4 103 25 157 65 130 76 104 118 49 103 110 84 83 63 2. Choose the correct null and alternative hypotheses.

Claim: 44% of workers indicate that they are dissatisfied with their job. Express the null and alternative hypotheses in symbolic form for this claim (enter as a percentage).H0:pH0:p H1:pH1:p Use the following codes to enter the following symbols:      ≥≥ enter >=      ≤≤ enter <=      ≠≠ enter !=   Claim: 47% of Internet users pay bills online. Express the null and alternative hypotheses in symbolic form for this claim (enter as a percentage).H0:pH0:p H1:pH1:p Use the following codes to enter the following symbols:      ≥≥ enter >=      ≤≤ enter <=      ≠≠ enter !=

When the following hypotheses are being tested at a level of significance of a Họ: u2 500 H. u a/2 O b. > a O c.sl- a/2 O d.sa ge Next page fin Chapter 8 a.docx Chapter 8 assig..docx Chapter 4.docx Assignment d

Which set of numbers would correspond to a hypothesis test with the greatest power? Cohen's d = 0.6 & n = 500 O Cohen's d = 0.6 & n = 50 O Cohen's d = 0.5 & n = 50 O Cohen's d = 0.5 & n = 500

At least 11% of people support the death penalty. Express the null and alternative hypotheses in symbolic form for this claim (enter as a percentage).H0:pH0:p H1:pH1:p Use the following codes to enter the following symbols:     ≥≥ enter >=     ≤≤ enter <=     ≠≠ enter !=

At most 90% of people support the death penalty. Express the null and alternative hypotheses in symbolic form for this claim (enter as a percentage).H0:pH0:p H1:pH1:p Use the following codes to enter the following symbols:     ≥ enter >=     ≤ enter <=         ≠ enter !=