Truth p~ Two samples are drawn to test the hypothesis,Ho: p= 0.5us H4: p0.5. One sample...
Truth p~ Two samples are drawn to test the hypothesis,Ho: p=
0.5us H4: p0.5. One sample has size n 250 and the other has size
n=125. Both samples yield the same sample proportion of
0.4.Consider the statement:The samples will produce the different
p-values for the hypothesis test above.. Is this statement always
true, sometimes true or never true?
Homework Answers
The sample size impacts the standard error.
SE = sqrt(p*(1-p)/n)
Hence higher the value of n, less will be the value of SE. This will increase the value of z.
Higher z-values will results into lower p-value.
Hence the above statement is always true.
Add Answer to:
Truth p~ Two samples are drawn to test the hypothesis,Ho: p=
0.5us H4: p0.5. One sample...
Truth p ~ Two samples are drawn to test the hypothesis, Ho : p = 0.5...
Truth p ~ Two samples are drawn to test the hypothesis, Ho : p = 0.5 vs HA: p < 0.5. Both samples have the same size ni = n2 = 123. However, the samples yield different sample proportions. Consider the statement: Both samples will produce the same p-value for the hypothesis test above. Is this statement always true, sometimes true or never true?
Truth p ~ Two samples are drawn to test the hypothesis, H0: p = 0.5 vs...
Truth p ~ Two samples are drawn to test the hypothesis, H0: p = 0.5 vs HA: p <0.5H0: p = 0.5 vs HA: p <0.5 n1=n2=123n1=n2=123 Consider the statement: The samples will produce different p-values for the hypothesis test above. Is this statement always true, sometimes true or never true?
A hypothesis test for a population proportion p is given below: Ho: p = 0.25 vs....
A hypothesis test for a population proportion p is given below: Ho: p = 0.25 vs. Ha: p NE 0.25 (NE means not equal) For sample size n=100 and sample proportion p = 0.30, compute the value of the test statistic: 1.67 -1.12 0.04 1.15
You conduct the following hypothesis test for one categorical variable: Ho: p >= 0.4 vs. Ha:...
You conduct the following hypothesis test for one categorical variable: Ho: p >= 0.4 vs. Ha: p < 0.4. Which of the following z test statistic values has a better chance of rejecting the null hypothesis (Ho:) and why? z = -2.15 OR z =-2.00
Perform the following hypothesis test of a proportion: HO: p = 0.33 HA: p not equal...
Perform the following hypothesis test of a proportion: HO: p = 0.33 HA: p not equal to 0.33 The sample proportion is 0.31 based on a sample size of 100. Use a 10% significance level. A) What is the value of the test statistic? (Give answer rounded to 2 decimals) (be careful to make sure your + or - sign is correct) B) What is the p-value for the problem? C) should the null hypothesis be rejected? YES or NO
Answers are either; -Always -Sometimes -Never (5 points) Consider each of the statements below. For each statement, deci...
Answers are either;
-Always
-Sometimes
-Never
(5 points) Consider each of the statements below. For each
statement, decide whether it is sometimes, always, or never a true
statement.
1. A hypothesis test that produces a positive
test statistic can produce a positive effect size. (Always,
Sometimes Or Never)
2. In order to compute Cohen's ?d, a
statistician must directly know the sample size. (Always,
Sometimes Or Never)
3. If two identical studies on the same topic
both produced estimated effect...
A hypothesis testing: Ho : p=0.55 HA: p >0.55. We conduct a survey with sample size n =832 and have p =0.75. Fin...
A hypothesis testing: Ho : p=0.55 HA: p >0.55. We conduct a survey with sample size n =832 and have p =0.75. Find the test statistic z associated with the sample proportion. Note: 1- Only round your final answer to 2 decimal places. Enter your final answer with 2 decimal places.
Need help with this testing a population proportion problem. B A Response cats Hypothesis Test about...
Need help with this testing a
population proportion problem.
B A Response cats Hypothesis Test about a Population Proportion dogs cats =COUNTA(A2:A51) dogs Sample Size Response of Interest Count for Response Sample Proportion dogs cats =D5/D3 cats cats Hypothesized Value cats cats =SQRT(D8*(1-D8)/D3) Standard Error Test Statistic z cats dogs dogs dogs dogs =NORM.S.DIST(D11, TRUE) 14 p-value (Lower Tail) p-value (Upper Tail) p-value (Two Tail) 15 = 2*MIN(D13,014) Enter these same formulas in your downloaded Excel spreadsheet. Use the values...
For a test of Ho: p=0.50, the sample proportion is 0.43 based on a sample size...
For a test of Ho: p=0.50, the sample proportion is 0.43 based on a sample size of 100. Use this information to complete parts (a) through (c) below. a. Find the test statistic z. b. Find the P-value for Hyp<0.50. P-value = (Round to three decimal places as needed.) c. Does the P-value in (b) give much evidence against H,? A. The P-value does not give strong evidence against Ho. The P-value indicates that the null hypothesis is plausible. B....
the sample size for a simple random sample from a population are given below x=8,n.32. Ho:...
the sample size for a simple random sample from a population are given below x=8,n.32. Ho: p-o4. Ha : p<0.4, α:010 a. Determine the sample proportion. b. Decide whether using the one-proportion z-test is appropriate. c. If appropriate, use the one-proportion z-test to perform the speified hypothesis test. Click here to view a table of areas under the standard normal curve for negative values of z a. The sample proportion is (Type an integer or a decimal. Do not round.)...
Truth p ~ Two samples are drawn to test the hypothesis, Ho : p = 0.5 vs HA: p < 0.5. Both samples have the same size ni = n2 = 123. However, the samples yield different sample proportions. Consider the statement: Both samples will produce the same p-value for the hypothesis test above. Is this statement always true, sometimes true or never true?
Answers are either;
-Always
-Sometimes
-Never
(5 points) Consider each of the statements below. For each
statement, decide whether it is sometimes, always, or never a true
statement.
1. A hypothesis test that produces a positive
test statistic can produce a positive effect size. (Always,
Sometimes Or Never)
2. In order to compute Cohen's ?d, a
statistician must directly know the sample size. (Always,
Sometimes Or Never)
3. If two identical studies on the same topic
both produced estimated effect...
A hypothesis testing: Ho : p=0.55 HA: p >0.55. We conduct a survey with sample size n =832 and have p =0.75. Find the test statistic z associated with the sample proportion. Note: 1- Only round your final answer to 2 decimal places. Enter your final answer with 2 decimal places.
Need help with this testing a
population proportion problem.
B A Response cats Hypothesis Test about a Population Proportion dogs cats =COUNTA(A2:A51) dogs Sample Size Response of Interest Count for Response Sample Proportion dogs cats =D5/D3 cats cats Hypothesized Value cats cats =SQRT(D8*(1-D8)/D3) Standard Error Test Statistic z cats dogs dogs dogs dogs =NORM.S.DIST(D11, TRUE) 14 p-value (Lower Tail) p-value (Upper Tail) p-value (Two Tail) 15 = 2*MIN(D13,014) Enter these same formulas in your downloaded Excel spreadsheet. Use the values...
For a test of Ho: p=0.50, the sample proportion is 0.43 based on a sample size of 100. Use this information to complete parts (a) through (c) below. a. Find the test statistic z. b. Find the P-value for Hyp<0.50. P-value = (Round to three decimal places as needed.) c. Does the P-value in (b) give much evidence against H,? A. The P-value does not give strong evidence against Ho. The P-value indicates that the null hypothesis is plausible. B....
the sample size for a simple random sample from a population are given below x=8,n.32. Ho: p-o4. Ha : p<0.4, α:010 a. Determine the sample proportion. b. Decide whether using the one-proportion z-test is appropriate. c. If appropriate, use the one-proportion z-test to perform the speified hypothesis test. Click here to view a table of areas under the standard normal curve for negative values of z a. The sample proportion is (Type an integer or a decimal. Do not round.)...
Most questions answered within 3 hours.
-
Imagine that a chemist puts 6.40 mol each of
C3H8 and O2 in a 1.00-L container...
asked 8 minutes ago -
How much money should be invested today in order to have $8340
at the end of...
asked 12 minutes ago -
You are conducting research for a hospital and issue a survey to
patients.
Based on the...
asked 12 minutes ago -
What might be a negative mutation that would hinder the
bug population?
asked 22 minutes ago -
A company just paid a dividend of $1.50 per share. The consensus
forecast of financial analysts...
asked 17 minutes ago -
A mass of 0.50 g of an unknown acid HA required 20.0 mL of 0.25
M...
asked 27 minutes ago -
Mitch is a director and officer of Numero Uno, Inc. Mitch makes
a marketing decision that...
asked 28 minutes ago -
A pair of fair dice is tossed. Let X denote the larger of the
two numbers...
asked 36 minutes ago -
What are the variety of forms of products dispensed with aerosol
spray?
asked 40 minutes ago -
Which one of the following statements is true about C++
keywords?
a. A keyword can have...
asked 41 minutes ago -
Pyruvate Kinase, an allosteric enzyme, accelerates the
conversion of phosphoenolpyruvate to pyruvate.
1) Draw curves describing...
asked 43 minutes ago -
question 1
Which of the following is an example of a bottom-up technique
for developing promotional...
asked 1 hour ago