Statistics Questions & Answers

A political campaign is interested in whether city 1 has more support for raising the minimum wage than city 2 . Polls were conducted in the two largest cities in the state about raising the minimum wage. In city 1 , a poll of 800 randomly selected voters found that 274 supported raising the minimum wage. In city 2 , a poll of 1000 randomly selected voters found that 327 supported raising the minimum wage. What type of hypothesis test should be performed? Left-tailed z-test \( v \) \( \hat{p}_{1}=\hat{p}_{2}= \) Ex: 0.123 .123 \( \hat{p}= \) Ex: 0.123 Test statistic \( = \) Ex: 0.12 \( p \)-value \( = \) Ex: 0.123 Does sufficient evidence exist to support the claim that the level of support in city 1 is higher than that of city 2 at the \( \alpha=0.01 \) significance level? Select \( v \)

A political campaign is interested in whether city 1 has less support for raising the minimum wage than city 2 . Polls were conducted in the two largest cities in the state about raising the minimum wage. In city 1 , a poll of 800 randomly selected voters found that 298 supported raising the minimum wage. In city 2 , a poll of 1000 randomly selected voters found that 372 supported raising the minimum wage. What type of hypothesis test should be performed? Select \( \hat{p}_{1}= \) Ex: 0.123 \( \hat{p}= \) Ex: 0.123 Test statistic \( = \) Ex: 0.12 \( p \)-value \( =0.123 \) Does sufficient evidence exist to support the claim that the level of support in city 123

A political campaign is interested in whether city 1 has more support for raising the minimum wage than city 2 . Polls were conducted in the two largest cities in the state about raising the minimum wage. In city 1 , a poll of 800 randomly selected voters found that 323 supported raising the minimum wage. In city 2 , a poll of 1000 randomly selected voters found that 377 supported raising the minimum wage. What type of hypothesis test should be performed? Select \( \hat{p}_{1}= \) Ex: 0.123 \( \hat{p}= \) Ex: 0.123 Test statistic = Ex: 0.12 \( p \)-value \( = \) Ex: 0.123 Does sufficient evidence exist to support the claim that the level of support in city 1 is higher than that of city 2 at the \( \alpha=0.05 \) significance level? Select \( \sim \)

A political campaign is interested in whether city 1 has more support for raising the minimum wage than city 2 . Polls were conducted in the two largest cities in the state about raising the minimum wage. In city 1 , a poll of 800 randomly selected voters found that 458 supported raising the minimum wage. In city 2 , a poll of 1000 randomly selected voters found that 502 supported raising the minimum wage. What type of hypothesis test should be performed? Select \( \hat{p}_{1}= \) Ex: 0.123 \( \hat{p}= \) Ex: 0.123 Test statistic \( = \) Ex: 0.12 \( p \)-value \( = \) Ex: 0.123 Does sufficient evidence exist to support the claim that the level of support in city 1 is higher than that of city 2 at the \( \alpha=0.05 \) significance level? Select \( v \)

Find the range of each set of data. (a) \( 5,10,9,7,11,8,13=-8) \) b) \( 1.3,2.1,1.8,2.3,2.2,-.5= \) c) \( -14,+13,-15, \underline{0},+12,-16 \) d) \( 149,218,321, \underline{0}, 156,223 \)

The test statistic of \( z=1.86 \) is obtained when testing the claim that \( \mathrm{p}>0.37 \). This is a right-tailed test. Using a 0.10 significance level, complete parts (a) and (b). Click here to view the standard normal distribution table for negative \( z \) scores. Click here to view the standard normal distribution table for positive \( z \) scores. a. Find the critical value(s). Select the correct choice below and fill in the answer box(es) within your choice. (Round to two decimal places as needed.) A. There is one critical value; the tritical value is \( \square \). B. There are two critical values; the lower critical value is \( \square \) and the upper critical

political campaign is interested in whether city 1 has less support for raising the inimum wage than city 2 . Polls were conducted in the two largest cities in the state bout raising the minimum wage. In city 1 , a poll of 800 randomly selected voters found hat 435 supported raising the minimum wage. In city 2 , a poll of 1000 randomly elected voters found that 516 supported raising the minimum wage. What type of hypothesis test should be performed? Left-tailed z-test \( v \) \( \hat{p}_{1}=\hat{p}_{2}= \) Ex: 0.123 \( \hat{p}= \) Ex: 0.123 Test statistic \( = \) Ex: 0.12 \( p \)-value \( = \) Ex: 0.123 Does sufficient evidence exist to support the claim that the level of support in city 1 is lower than that of city 2 at the \( \alpha=0.01 \) significance level? No \( v \)

A political campaign is interested in whether city 1 has less support for raising the minimum wage than city 2 Polls were conducted in the two largest cities in the state about raising the minimum wage. In city 1 , a poll of 800 randomly selected voters found that 515 supported raising the minimum wage. In city 2 , a poll of 1000 randomly selected voters found that 632 supported raising the minimum wage. What type of hypothesis test should be performed? Select \( \hat{p}_{1}= \) Ex: 0.123 \( \hat{p}= \) Ex: 0.123 Test statistic \( = \) Ex: 0.12 \( p \)-value \( = \) Ex: 0.123 Does sufficient evidence exist to support the claim that the level of support in city 1 is lower than that of city 2 at the \( \alpha=0.01 \) significance level? Select \( ~ \)

A political campaign is interested in whether city 1 has less support for raising the minimum wage than city 2 . Polls were conducted in the two largest cities in the state about raising the minimum wage. In city 1 , a poll of 800 randomly selected voters found that 574 supported raising the minimum wage. In city 2 , a poll of 1000 randomly selected voters found that 680 supported raising the minimum wage. What type of hypothesis test should be performed? Select \( \hat{p}_{1}= \) Ex: 0.123 \( \hat{p}= \) Ex: 0.123 Test statistic \( = \) Ex: 0.12 \( p \)-value \( = \) Ex: 0.123 Does sufficient evidence exist to support the claim that the level of support in city 1 is

A political campaign is interested in whether city 1 has less support for raising the minimum wage than city 2 . Polls were conducted in the two largest cities in the state about raising the minimum wage. In city 1 , a poll of 800 randomly selected voters found that 525 supported raising the minimum wage. In city 2 , a poll of 1000 randomly selected voters found that 652 supported raising the minimum wage. What type of hypothesis test should be performed? Select \( \hat{p}_{1}= \) Ex: 0.123 \( \hat{p}= \) Ex: 0.123 Test statistic \( = \) Ex: 0.12 \( p \)-value \( = \) Ex: 0.123 Does sufficient evidence exist to support the claim that the level of support in city 1 is lower than that of city 2 at the \( \alpha=0.01 \) significance level? Select \( v \)