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QUESTION 30 Given the scenario below, what is the obtained statistic (obtained value)? Americans typically take...
Given the scenario below, what is the obtained statistic (obtained value)? Americans typically take off 5...
Given the scenario below, what is the obtained statistic (obtained value)? Americans typically take off 5 sick days each year, with a standard deviation of 2 days. A researcher would like to know whether psychiatrists take off less sick days than the average American. The researcher obtains a sample of 16 psychiatrists who, on average, take 3 days of sick leave a year. Test this researcher s hypothesis using an alpha level of 01.
QUESTION 13 "Given the scenario below, what is the critical value? Americans typically take off sick...
QUESTION 13 "Given the scenario below, what is the critical value? Americans typically take off sick days each year, with a standard deviation of 2 daysA researcher would like to know whether paychiatrists take off less sick days than the average American. The researcher obtains a sample of 16 psychiatrists who, on average take days of sick leave a year. Test this researchers hypothesis using an alpha level of 01. Given the scenario below, what is the obtained statistic (obtained...
"Given the scenario below, what is the critical value? Americans typically take off 5 sick days...
"Given the scenario below, what is the critical value? Americans typically take off 5 sick days each year, with a standard deviation of 2 days. A researcher would like to know whether psychiatrists take off less sick days than the average American. The researcher obtains a sample of 16 psychiatrists who, on average, take 3 days of sick leave a year. Test this researcher s hypothesis using an alpha level of .01. "
QUESTION 19 "Given the scenario below, what is the critical value? Americans typically take off 5...
QUESTION 19 "Given the scenario below, what is the critical value? Americans typically take off 5 sick days each year, with a standard deviation of 2 days. A researcher would like to know whether psychiatrists take off less sick days than the average American. The researcher obtains a sample of 16 psychiatrists who, on average, take 3 days of sick leave a year. Test this researchers hypothesis using an alpha level of.01. 11 1.96 1.9 1.64 -2.33
Hello I need help answering these questions thank you Which option fits type II error the...
Hello I need help answering these questions thank you
Which option fits type II error the best? O Probability of correctly rejecting the null hypothesis "Probability of rejecting the null, if the null is true" "Probability of retaining the null, if the nullis false." O "Probability of retaining the null, when it s false" QUESTION 2 The appropriate test for a study of people tested before and after they are given a drug is: z-test independent-samples t-test paired-samples t-test one-way...
please tell me if its a z test ke t test and why it is :)...
please tell me if its a z test ke t test and why it is :)
thanks!
CHECK ANSWERS! You should use a Z test because of the large sample size 30 < and we know the mean and the standard deviation. 6. The Graded Naming Test (GNT) requires respondents to name objects in a set of 30 black-and-white drawings. The test is often used to detect brain damage in the UK. The test begins with easy words like kangaroo,...
A researcher wants to determine whether high school students who attend an SAT preparation course score...
A researcher wants to determine whether high school students who attend an SAT preparation course score significantly different on the SAT than students who do not attend the preparation course. For those who do not attend the course, the population mean is 1050 (? = 1050). The 16 students who attend the preparation course average 1200on the SAT, with a sample standard deviation of 100. On the basis of these data, can the researcher conclude that the preparation course has...
QUESTION 20 A local diner would like to see an increase in the number of customers...
QUESTION 20 A local diner would like to see an increase in the number of customers over the lunch hour. Currently, they average 25 customers per day over the lunch hour. They decide to offer a special menu of lunch deals at reduced rates to try to bring in more customers. Following the introduction of the new special lunch menu, they track data over the course of 24 days and find a sample mean of 35.6 customers with a standard...
A cereal company claims that the mean weight of the cereal in its packets is more...
A cereal company claims that the mean weight of the cereal in its packets is more than 14 oz. The weights (in oz) of the cereal in a random sample of 8 cereal packets are listed below. You may assume the sample data comes from a population that follows a normal distribution. Using a 0.05 significance level, test the companies claim. State the null hypothesis H0. State the alternative hypothesis H1. What is the test statistic? State the alpha level....
Question 13 (1 point) Does the average internet speed of an ISP depend on continent? Specifically, you would like to te...
Question 13 (1 point) Does the average internet speed of an ISP depend on continent? Specifically, you would like to test whether customers in North America have an average internet! download speed that is different from the average download speed of customers in Europe. If North American customers are in group 1 and European customers are in group 2, what are the hypotheses for your test of interest? On Ho H1 = H2 . HAHI + H2 12. Hoilla +...
Given the scenario below, what is the obtained statistic (obtained value)? Americans typically take off 5 sick days each year, with a standard deviation of 2 days. A researcher would like to know whether psychiatrists take off less sick days than the average American. The researcher obtains a sample of 16 psychiatrists who, on average, take 3 days of sick leave a year. Test this researcher s hypothesis using an alpha level of 01.
QUESTION 13 "Given the scenario below, what is the critical value? Americans typically take off sick days each year, with a standard deviation of 2 daysA researcher would like to know whether paychiatrists take off less sick days than the average American. The researcher obtains a sample of 16 psychiatrists who, on average take days of sick leave a year. Test this researchers hypothesis using an alpha level of 01. Given the scenario below, what is the obtained statistic (obtained...
QUESTION 19 "Given the scenario below, what is the critical value? Americans typically take off 5 sick days each year, with a standard deviation of 2 days. A researcher would like to know whether psychiatrists take off less sick days than the average American. The researcher obtains a sample of 16 psychiatrists who, on average, take 3 days of sick leave a year. Test this researchers hypothesis using an alpha level of.01. 11 1.96 1.9 1.64 -2.33
Hello I need help answering these questions thank you
Which option fits type II error the best? O Probability of correctly rejecting the null hypothesis "Probability of rejecting the null, if the null is true" "Probability of retaining the null, if the nullis false." O "Probability of retaining the null, when it s false" QUESTION 2 The appropriate test for a study of people tested before and after they are given a drug is: z-test independent-samples t-test paired-samples t-test one-way...
please tell me if its a z test ke t test and why it is :)
thanks!
CHECK ANSWERS! You should use a Z test because of the large sample size 30 < and we know the mean and the standard deviation. 6. The Graded Naming Test (GNT) requires respondents to name objects in a set of 30 black-and-white drawings. The test is often used to detect brain damage in the UK. The test begins with easy words like kangaroo,...
Question 13 (1 point) Does the average internet speed of an ISP depend on continent? Specifically, you would like to test whether customers in North America have an average internet! download speed that is different from the average download speed of customers in Europe. If North American customers are in group 1 and European customers are in group 2, what are the hypotheses for your test of interest? On Ho H1 = H2 . HAHI + H2 12. Hoilla +...
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