Please help with this question. All information is provided to answer the question.
a) 
b) Using the same null and alternate distributions, what is the type-II error rate for the null hypothesis test if significance level alpha = 0.05 is used?
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Please help with this question. All information is provided to
answer the question.
a)
b) Using...
all part of one question please answer all. only answer please if our positive of the...
all part of one question
please answer all. only answer please if our positive of the
answer
4. Alpha level and the critical region Aa Aa The alpha level that a researcher sets at the beginning of the experiment is the level to which she wishes to limit the probability of making the error of rejecting the null hypothesis when it is true rejecting the null hypothesis when it is true not rejecting the null hypothesis when it is false...
Figure 1. Vertical li indicate the 2.5% tails of the alternate distribution. In other words, the ...
please answer questions
Figure 1. Vertical li indicate the 2.5% tails of the alternate distribution. In other words, the red areas (area 0 and 8) sum to 5%, and areas 2, 3, 7 also sums to 5%. dicate the 2.5% tails of the null distribution, while B and D alternate distribution null distribution test statistic Consider a two-sided null hypothesis test with 0.05 as significance level. From the above probability density plot, identify the corresponding areas, or test statistic value...
Please assist with 6.52 Whats Wrong questions!!! Please explain why, if possible. Thank you!!! SECTION 6.2...
Please assist with 6.52 Whats Wrong questions!!! Please
explain why, if possible. Thank you!!!
SECTION 6.2 SUMMARY e A test of significance i A test of significance is intended to assess the evidence provide against a null hypothesis Ho in favor of an alternative hypothesis Ha . The hypotheses are stated in terms of population is a statement that no effect or no difference is present, and Ha says there is an effect or difference in a specific direction (one-sided...
Using the dataset that you used for the midterm (Find it on the Blackboard), do the following: 1) (4 points) Submit the values for items a to e in the table below: mean, sample size, standard deviatio...
Using the dataset that you used for the midterm (Find it on the Blackboard), do the following: 1) (4 points) Submit the values for items a to e in the table below: mean, sample size, standard deviation, and 95% confidence interval for mean. (SPSS Command: Analyze/Descriptive Statistics/Explore) Variable Statistic Height Mean 71.2 Sample Size N 999 Standard Deviation 2.913 95% Confidence Interval for Mean Lower Bound 71.02 Upper Bound 71.38 2) (4 points) Assume that you want to test whether...
Use the following Distributions tool to identify the boundaries that separate the extreme samples from the...
Use the following Distributions tool to identify the boundaries that separate the extreme samples from the samples that are more obviously consistent with the null hypothesis. Assume the null hypothesis is nondirectional, meaning that the critical region is split across both tails of the distribution. The Z-score boundaries at an alpha level a = .05 are: z = 3.29 and z = -3.29 z = 1.96 and z = -1.96 O z = 2.58 and z = -2.58 Complete: Chapter...
This is statistics question. Please help me. A state's standardized physical education exam indicate that students...
This is statistics question. Please help
me.
A state's standardized physical education exam indicate that students average Mx = 10 push up s with a standard deviation of ox = 3. A school thinks that their students are better than this. They collect a random sample of n = 25 PE students and calculate a mean of ī= 11.5. A. What type of hypothesis test is this? B. What is the null and alternative hypothesis? C. What is the value...
Question 22 3 pts Suppose you are interested in testing a null hypothesis and the p-value...
Question 22 3 pts Suppose you are interested in testing a null hypothesis and the p-value associated with the test statistic is 0.004. As a result, you should o reject the null hypothesis at the 5-percent level of significance, but not at the 1- percent level of significance. do not reject the null hypothesis at the 5-percent level of significance, but do reject the null at the 1-percent level of significance. o do not reject the null hypothesis at the...
Match the following words to their correct definitions. Write the correct letter in the space next...
Match the following words to their correct definitions. Write the correct letter in the space next to the definition. (1 point each). Note: You will not use all the words. ______a subset of the population we are interested in studying ______The difference between the sample measure and the corresponding population measure. ______the total set of subjects that are being studied ______The number of standard deviations away from the mean a particular data point is _____ ______A normal distribution with a...
Suppose the null hypothesis is Ho : µ = 500 against Ha : > µ =...
Suppose the null hypothesis is Ho : µ = 500 against Ha : > µ = 500 , and the significance level for this testing is 0.05. The population in question is normally distributed with standard deviation 100. A random sample of size n=25 will be used. If the true alternative mean is 550, then the probability of committing the type II error is ____.
In the figure below, vertical lines A and C indicates to the 2.5% tails of the...
In the figure below, vertical lines A and C indicates to the 2.5% tails of the null distribution, while B and D indicates the 2.5% tails of the alternate distribution. In other words, the red areas (area 0 and 8) sum to 5%. If the significance level alpha-5%, which area corresponds to the probability of correctly rejecting null hypothesis when the alternate hypothesis is true (i.e., the statistical power)? (assume a two-sided test) For your answer, select any areas that...
all part of one question
please answer all. only answer please if our positive of the
answer
4. Alpha level and the critical region Aa Aa The alpha level that a researcher sets at the beginning of the experiment is the level to which she wishes to limit the probability of making the error of rejecting the null hypothesis when it is true rejecting the null hypothesis when it is true not rejecting the null hypothesis when it is false...
please answer questions
Figure 1. Vertical li indicate the 2.5% tails of the alternate distribution. In other words, the red areas (area 0 and 8) sum to 5%, and areas 2, 3, 7 also sums to 5%. dicate the 2.5% tails of the null distribution, while B and D alternate distribution null distribution test statistic Consider a two-sided null hypothesis test with 0.05 as significance level. From the above probability density plot, identify the corresponding areas, or test statistic value...
Please assist with 6.52 Whats Wrong questions!!! Please
explain why, if possible. Thank you!!!
SECTION 6.2 SUMMARY e A test of significance i A test of significance is intended to assess the evidence provide against a null hypothesis Ho in favor of an alternative hypothesis Ha . The hypotheses are stated in terms of population is a statement that no effect or no difference is present, and Ha says there is an effect or difference in a specific direction (one-sided...
Use the following Distributions tool to identify the boundaries that separate the extreme samples from the samples that are more obviously consistent with the null hypothesis. Assume the null hypothesis is nondirectional, meaning that the critical region is split across both tails of the distribution. The Z-score boundaries at an alpha level a = .05 are: z = 3.29 and z = -3.29 z = 1.96 and z = -1.96 O z = 2.58 and z = -2.58 Complete: Chapter...
This is statistics question. Please help
me.
A state's standardized physical education exam indicate that students average Mx = 10 push up s with a standard deviation of ox = 3. A school thinks that their students are better than this. They collect a random sample of n = 25 PE students and calculate a mean of ī= 11.5. A. What type of hypothesis test is this? B. What is the null and alternative hypothesis? C. What is the value...
Question 22 3 pts Suppose you are interested in testing a null hypothesis and the p-value associated with the test statistic is 0.004. As a result, you should o reject the null hypothesis at the 5-percent level of significance, but not at the 1- percent level of significance. do not reject the null hypothesis at the 5-percent level of significance, but do reject the null at the 1-percent level of significance. o do not reject the null hypothesis at the...
In the figure below, vertical lines A and C indicates to the 2.5% tails of the null distribution, while B and D indicates the 2.5% tails of the alternate distribution. In other words, the red areas (area 0 and 8) sum to 5%. If the significance level alpha-5%, which area corresponds to the probability of correctly rejecting null hypothesis when the alternate hypothesis is true (i.e., the statistical power)? (assume a two-sided test) For your answer, select any areas that...
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