Business
Engineering
Math
Science
Social ScienceIn each of Exercises, we have provided a sample mean, sample standard deviation, and sample size. In each case, use the one-mean t-test to perform the required hypothesis test at the 5% significance level.x = 21, s = 4, n = 32, H0: µ = 22, Ha: µ<22
In each of Exercises, we have provided a sample mean, sample standard deviation, and sample size. In each case, use the one-mean t-test to perform the required hypothesis test at the 5% significance level.
x = 21, s = 4, n = 32, H0: µ = 22, Ha: µ<22
Expert Answer
The test hypotheses are given below:
Null hypothesis:H0: µ = 22,
Alternative hypothesis: Ha: µ < 22.
Critical value approach:
Critical value:
For 5% level of significance,
Test statistic:
Math
Statistics
Hypothesis Testing
Related Statistics Q&A
Q: help solve the this problem
A: a)The given is ranges from 7 to 48. Since, the number of class interval for the data should be minim...
Q: A variable is normally distributed with mean 68 and standard deviation 10. a. Determine and interpre...
A: Hello there! in the given question there are more than three subparts. According to our policy maxim...
Q: Suppose that a simple random sample is taken from a normal population having a standard deviation of...
A: a) From the provided information, the sample size (n) = 4The standard deviation (σ) = 10The z value ...
Q: Mendel’s Peas Mendel conducted some his famous experiments with peas that were either smooth yellow ...
A: Solution: We have to find if four peas are randomly selected from a batch consisting of four smooth ...
Q: Regarding the test of significance for the usefulness of the predictor variables x1, x2, and x3 in p...
A: From the given information, the equation having three predictor variables x1, x2 and x3 for predicti...
Q: Suppose that you have obtained data by taking a random sample from a population and that you intend ...
A: If the level of confidence increases then the standard error of statistic also increases. The margin...
Q: Detecting Fraud The Brooklyn District Attorney’s office analyzed the leading (leftmost) digits of ch...
A: (a)Define the random variable x as the number of checks with the leading digit as 1. Here, the numbe...
Q: Wedding Costs. According to Bride’s Magazine, getting married these days can be expensive when the c...
A: a. The point estimate for the population mean wedding cost, µ is 26,326.9 and it is obtained below: ...
Q: Identify two possibleways inwhich conditional probabilities can be computed.
A: Justification:The conditional probability Rule
