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Stat 50 Final Exam Last Name First Name 12. In a survey, voters of different age...
Stat 50 Final Exam Last Name First Name 11. A study was conducted to investigate how...
Stat 50 Final Exam Last Name First Name 11. A study was conducted to investigate how effective a new diet was in lowering cholesterol. Results for the randomly selected subjects are shown in the table. The differences have a normal distribution. Are the subjects' cholesterol levels lower on average after the diet? Test at the 1% level. Subject |A |B |C |D |E |F |G |H Before 227 228 223 |216 234 227 |256 258 |240 After 197 205 187...
0 In a recent survey conducted a random sample of adults 18 years of age or...
0 In a recent survey conducted a random sample of adults 18 years of age or older living in a certain courty were asked their reaction to the word sodalism. In addition, the individuals were asked to disclose which political party they most associate with Results of the survey are given in the table. Complete parts (a) through (c) below Democrats Independents Republicans Positive 61 221 Negative 355 415 270 Negative 355 (a) Does the evidence suggest individuals within each...
In a recent survey conducted a random sample of adults 18 years of age or older...
In a recent survey conducted a random sample of adults 18 years of age or older living in a certain country were asked the reaction to the word socialism In addition, the individuals were asked to discose which political party they most associate with Results of the survey are given in the table Complete parts (a) through (c) below Democrats Independents Republicans Positive 149 216 Negative 400 281 Does the evidence suggest individuals within each political ofikation read differently to...
6) The contingency table below shows the results of a random sample of 200 registered voters...
6) The contingency table below shows the results of a random sample of 200 registered voters that was conducted to see whether their opinions on a bill are related to their party affiliation. Level of significance: α = 0.05 Party Opinion Approve Disapprove No Opinion Republican 42 20 14 Democrat 50 24 18 Independent 10 16 6 Find the P-value to test the claim of independence. STEP 1: Hypothesis Ho: ___________________________________ vs H1: ___________________________________ STEP 2: Restate the level of...
Please written down the answer and formula on paper Stat 50 Final Exam Last Name- First...
Please written down the answer and formula on paper
Stat 50 Final Exam Last Name- First Name - The population standard deviation for the age of Valley College students is 15 years. If we wan population mean age of Valley College students, how many randomly selected Valley College students must be surveyed? 7. t to be 99% confident that the sample mean age is within two years of the true A common claim is that garlic lowers cholesterol levels. In...
Please write answer and formula ON PAPER and please don’t forget p value graph and calculator...
Please write answer and formula ON PAPER and please don’t
forget p value graph and calculator function and test statistic
.
Stat 50 Final Exam Last Name First Name In a survey of 267 senior high school students, 43.1% said that, on average, they had less than 6 hours sleep each day. Test the claim that, on average, in the population of all senior students, the majority have less than 6 hours sleep each day. 9, Claim: Но: Ha: Random...
Please write answer and formula ON PAPER and please don’t forget p value graph and calculator...
Please write answer and formula ON PAPER and please don’t
forget p value graph and calculator function test statistic. Thank
you
Stat 50 Final Exam Last Name First Name 11. A study was conducted to investigate how effective a new diet was in lowering cholesterol. Results for the randomly selected subjects are shown in the table. The differences have a normal distribution. Are the subjects' cholesterol levels lower on average after the diet? Test at the 1% level. Subject |A...
QUESTION 11 Based on a recent survey of its subscribers, Consumer Reports found that the lifetime...
QUESTION 11 Based on a recent survey of its subscribers, Consumer Reports found that the lifetime of refrigerators is approximately Normal with a mean of 10 years and a standard deviation of 2 years. Suppose your parent's refrigerator had a lifetime in the 10 percentile. What was the age of your parent's refrigerator when it had to be replaced? Round your answer to 1 decimal place. 4.4 years 5.4 years 6.4 years 7 4 years BA years QUESTION 13 Suppose...
12. Winning team data were collected for teams in different sports, with the results given in...
12. Winning team data were collected for teams in different sports, with the results given in the table below. Use a 0.05 level of significance to test the claim that home/visitor wins are independent of the sport Home Team Wins Visiting Team Wins Basketball 127 71 Baseball 53 47 Hockey 50 43 Football 57 42 a. Write the null and alternative hypotheses. Label the claim. b. Draw the graph and shade the critical area(s). Place the critical value(s) on the...
12. Winning-team data were collected for teams in different sports, with the results given in the...
12. Winning-team data were collected for teams in different sports, with the results given in the table below. Use a 0.05 level of significance to test the claim that home/visitor wins are independent of the sport. Basketball Baseball Hockey Football 127 53 50 57 Home Team Wins Visiting Team Wins 71 47 43 42 a. Write the null and alternative hypotheses. Label the claim. b. Draw the graph and shade the critical area(s). Place the critical value(s) on the graph....
Stat 50 Final Exam Last Name First Name 11. A study was conducted to investigate how effective a new diet was in lowering cholesterol. Results for the randomly selected subjects are shown in the table. The differences have a normal distribution. Are the subjects' cholesterol levels lower on average after the diet? Test at the 1% level. Subject |A |B |C |D |E |F |G |H Before 227 228 223 |216 234 227 |256 258 |240 After 197 205 187...
0 In a recent survey conducted a random sample of adults 18 years of age or older living in a certain courty were asked their reaction to the word sodalism. In addition, the individuals were asked to disclose which political party they most associate with Results of the survey are given in the table. Complete parts (a) through (c) below Democrats Independents Republicans Positive 61 221 Negative 355 415 270 Negative 355 (a) Does the evidence suggest individuals within each...
In a recent survey conducted a random sample of adults 18 years of age or older living in a certain country were asked the reaction to the word socialism In addition, the individuals were asked to discose which political party they most associate with Results of the survey are given in the table Complete parts (a) through (c) below Democrats Independents Republicans Positive 149 216 Negative 400 281 Does the evidence suggest individuals within each political ofikation read differently to...
Please written down the answer and formula on paper
Stat 50 Final Exam Last Name- First Name - The population standard deviation for the age of Valley College students is 15 years. If we wan population mean age of Valley College students, how many randomly selected Valley College students must be surveyed? 7. t to be 99% confident that the sample mean age is within two years of the true A common claim is that garlic lowers cholesterol levels. In...
Please write answer and formula ON PAPER and please don’t
forget p value graph and calculator function and test statistic
.
Stat 50 Final Exam Last Name First Name In a survey of 267 senior high school students, 43.1% said that, on average, they had less than 6 hours sleep each day. Test the claim that, on average, in the population of all senior students, the majority have less than 6 hours sleep each day. 9, Claim: Но: Ha: Random...
Please write answer and formula ON PAPER and please don’t
forget p value graph and calculator function test statistic. Thank
you
Stat 50 Final Exam Last Name First Name 11. A study was conducted to investigate how effective a new diet was in lowering cholesterol. Results for the randomly selected subjects are shown in the table. The differences have a normal distribution. Are the subjects' cholesterol levels lower on average after the diet? Test at the 1% level. Subject |A...
QUESTION 11 Based on a recent survey of its subscribers, Consumer Reports found that the lifetime of refrigerators is approximately Normal with a mean of 10 years and a standard deviation of 2 years. Suppose your parent's refrigerator had a lifetime in the 10 percentile. What was the age of your parent's refrigerator when it had to be replaced? Round your answer to 1 decimal place. 4.4 years 5.4 years 6.4 years 7 4 years BA years QUESTION 13 Suppose...
12. Winning team data were collected for teams in different sports, with the results given in the table below. Use a 0.05 level of significance to test the claim that home/visitor wins are independent of the sport Home Team Wins Visiting Team Wins Basketball 127 71 Baseball 53 47 Hockey 50 43 Football 57 42 a. Write the null and alternative hypotheses. Label the claim. b. Draw the graph and shade the critical area(s). Place the critical value(s) on the...
12. Winning-team data were collected for teams in different sports, with the results given in the table below. Use a 0.05 level of significance to test the claim that home/visitor wins are independent of the sport. Basketball Baseball Hockey Football 127 53 50 57 Home Team Wins Visiting Team Wins 71 47 43 42 a. Write the null and alternative hypotheses. Label the claim. b. Draw the graph and shade the critical area(s). Place the critical value(s) on the graph....
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