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88% 8:57 PM Tue Jun 28 C + UU AA mylab.pearson.com a Bb Week 6 (06/28 - 06/30/22)... X P Quiz 5 - Chapter 8

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88% 8:57 PM Tue Jun 28 C + UU AA mylab.pearson.com a Bb Week 6 (06/28 - 06/30/22)... X P Quiz 5 - Chapter 8 Your Shopping Cart - edikted College Hill: Celebrity Editi... s Streamtape.com Fatima Jaleh Jallow 06/28/22 8:57 PM MA222.OL2 Summer 2022 sible = Quiz: Quiz 5 - Chapter - X ) possible Submit quiz Standard Normal Distribution Table (Page 1) Region 2 Is the difference between the mean ann X2 = $59,000 you select a random sample of statisticia what should you conclude? 62 = $9075 n2 = 40 Ares Click here to view page 1 of the standar Click here to view page 2 of the standar z .09 .08 .07 .0 .05 .04 .03 .02 01 .00 .0003 0003 -3.4 -3.4 .0002 0003 .0003 .0003 0003 .0003 .0003 .0003 .0005 -3.3 Choose the correct null and alternative -3.3 .0003 .0004 .0004 0004 0004 0004 .0004 .0005 0005 -3.2 .0005 0005 .0005 0006 .0006 0006 .0006 .0006 0007 .0007 -3.2 -3.1 .0007 .0008 0008 .0009 -3.1 .0007 .0008 0008 0009 .0009 .0010 O A. HO: H1 - H2 = 4000 .0010 0010 0011 .0011 0013 .0013 .0013 -3.0 -3.0 .0011 0012 .0012 -2.9 Ha: H1 - H2 # 4000 -2.9 .0014 0014 0015 0015 .0016 .0016 .0017 .0018 0018 .0019 -2.8 .0019 0020 .0021 .0021 .0022 .0023 .0023 .0024 0025 .0026 -2.8 .0035 -2.7 O D. HO: H1 - H2 # 4000 -2.7 .0026 0027 .0028 .0029 .0030 0031 .0032 .0033 .0034 0037 0038 0039 .0040 .0041 0043 0044 0045 0047 -2.6 Ha : H1 - H2 = 4000 -2.6 .0036 -2.5 .0048 .0049 .0051 .0052 .0054 .0055 .0057 .0059 .0060 .0062 -2.5 .0064 0066 0068 0069 0071 0073 0075 .0078 0080 .0082 -2.4 -2.4 Determine the critical value(s). -2.3 .0084 0087 .0089 0091 0094 0096 0099 0102 0104 010 -2.3 2.2 .0110 .0113 .0116 0119 .0122 .0125 .0129 .0132 .0136 .0139 -2.2 -2.1 .0143 .0146 .0150 0154 .0158 .0162 .0166 .0170 .0174 .0179 -2.1 20 =] -2.0 .0183 0188 .0192 .0197 .0202 .0207 .0212 .0217 .0222 0228 -2.0 (Round to two decimal places as needed .0287 - 1.9 - 1.9 .0233 0239 .0244 0250 0256 .0262 .0268 .0274 .0281 .0359 -1.8 - 1.8 .0294 .0301 .0307 .0314 .0322 .0329 .0336 .0344 .0351 Determine the rejection region. Select the correct choice below, and, if r (Round to two decimal places as neede Print Done O A. z O c. z Calculate the standardized test statistic for M1 - H2. Z= (Round to two decimal places as needed.) Choose the correct answer below. O A. Reject Ho. At the 10% significance level, there is insufficient evidence to support the claim that the difference between the mean annual salaries is more than $4000. O B. Fail to reject Ho. At the 10% significance level, there is sufficient evidence to support the claim that the difference between the mean annual salaries is more than $4000. O C. Reject Ho. At the 10% significance level, there is sufficient evidence to support the claim that the difference between the mean annual salaries is more than $4000. O D. Fail to reject Ho. At the 10% significance level, there is insufficient evidence to support the claim that the difference between the mean annual salaries is more than $4000. Time Remaining: 02:56:07 Next8:57 PM Tue Jun 28 88% AA mylab.pearson.com a C + UU Your Shopping Cart - edikted College Hill: Celebrity Editi... s Streamtape.com Bb Week 6 (06/28 - 06/30/22)... X P Quiz 5 - Chapter 8 MA222.OL2 Summer 2022 Fatima Jaleh Jallow 06/28/22 8:57 PM =Quiz: Quiz 5 - Chapter 8 Question 2 of 4 This quiz: 4 point(s) possible This question: 1 point(s) possible Submit quiz Is the difference between the mean annual salaries of statisticians in Region 1 and Region 2 more than $4000? To decide, Region 1 Region 2 you select a random sample of statisticians from each region. The results of each survey are shown to the right. At a = 0.10, X1 = $66,600 X2 = $59,000 what should you conclude? 61 = $8750 62 = $9075 n1 = 48 n2 = 40 Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. Choose the correct null and alternative hypotheses below. O A. HO: H1 - H2 = 4000 O B. HO: M1 - H2 $ 4000 O C. Ho: M1 - H2 > 4000 Ha: H1 - H2 # 4000 Ha: H1 - H2 > 4000 Ha: H1 - H2 2 4000 O D. HO: H1 - H2 # 4000 O E. HO: H1 - H2 > 4000 OF. HO: M1 - H2 2 4000 Ha : H1 - H2 = 4000 Ha: H1 - H2 $ 4000 Ha: H1 - H2 OC. z Calculate the standardized test statistic for M p2. 2=D (9 Time Remaining: 02:56:08 m

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