Testing:
H0:μ=21.41H0:μ=21.41
H1:μ≠21.41H1:μ≠21.41
Your sample consists of 46 subjects, with a mean of 21.5 and
standard deviation of 3.58.
Calculate the test statistic, rounded to 2 decimal places.
t=t=
Suppose are running a study/poll about the proportion of men
over 50 who regularly have their prostate examined. You randomly
sample 136 people and find that 75 of them match the condition you
are testing.
Suppose you are have the following null and alternative hypotheses
for a test you are running:
H0:p=0.56H0:p=0.56
Ha:p≠0.56Ha:p≠0.56
Calculate the test statistic, rounded to 3 decimal places.
z=z=
Testing: H0:μ=21.41H0:μ=21.41 H1:μ≠21.41H1:μ≠21.41 Your sample consists of 46 subjects, with a mean of 21.5 and standard...
Testing: H0:μ=43.4 H1:μ<43.4 Your sample consists of 37 subjects, with a mean of 42.9 and standard deviation of 2.98. Calculate the test statistic, rounded to 2 decimal places. t=
1. Testing: H0:p=0.55H0:p=0.55 H1:p<0.55H1:p<0.55 Your sample consists of 144 subjects, with 73 successes. Calculate the test statistic, rounded to 2 decimal places z= 2. A well-known brokerage firm executive claimed that at least 34 % of investors are currently confident of meeting their investment goals. An XYZ Investor Optimism Survey, conducted over a two week period, found that out of 125 randomly selected people, 38 of them said they are confident of meeting their goals. Suppose you are have the...
Testing: H0:p=0.57 H1:p≠0.57 Your sample consists of 138 subjects, with 77 successes. Calculate the test statistic, rounded to 2 decimal places z=_____
Testing: Ho : μ H1 : μ 18.015 18.015 Your sample consists of 29 subjects, with a mean of 19.4 and standard deviation of 4.57. Calculate the test statistic, rounded to 2 decimal places.
Testing: 34.29 0 : μ H1 : μ > 34.29 Your sample consists of 6 subjects, with a mean of 34.9 and standard deviation of 1.82 Calculate the test statistic, rounded to 2 decimal places. t34.29
Testing: H0:p=0.42H0:p=0.42 H1:p>0.42H1:p>0.42 Your sample consists of 143 subjects, with 62 successes. Calculate the test statistic, rounded to 2 decimal places Hint: Round your ˆpp^ calculation to at least 4 decimal places before calculating the test statistic. z=z=
Testing: H0:p=0.58H0:p=0.58 H1:p<0.58H1:p<0.58 Your sample consists of 127 subjects, with 79 successes. Calculate the test statistic, rounded to 2 decimal places z=
H0:p=0.63 H1:p>0.63 Your sample consists of 100 subjects, with 67 successes. Calculate the test statistic, rounded to 2 decimal places z=
Testing: Ho:u= 52.695 H1:4 # 52.695 Your sample consists of 23 subjects, with a mean of 52.3 and standard deviation of 1.21. Calculate the test statistic, rounded to 2 decimal places. t= . . .. :LI.. License
The following information is available. H0: μ = 48 H1: μ ≠ 48 The sample mean is 47, and the sample size is 38. The population standard deviation is 7. Use the .05 significance level. 1. value: 2.00 points Required information Is this a one- or two-tailed test? One-tailed test Two-tailed test 2. value: 2.00 points Required information What is the decision rule? Reject H0 if z < -1.96 or z > 1.96 Reject H0 if -1.96 < z <...