Q1 If a null hypothesis is rejected at the 0.10 level of significance, it.... a)must be...
Q1 If a null hypothesis is rejected at the 0.10 level of significance, it....
a)must be rejected at the 0.05 level
b) may be rejected at the 0.05 level
c) will not be rejected at the 0.05 level
d) must be rejected at the 0.025 level
Q2) the precision of confidence intervals is related to...
a) the sample size and the confidence level
b) the mean of the population and the confidence level
c) the mean of the sample and sample size
d) the confidence level only
Q3) A confidnce level shows...
a) an estimate of the range in which the population mean will lie
b) the range which contains the population mean
c) an interval; estimate in which the sample mean will lie
d) a point estimate of a population mean
Please answer all 3 questions, will thumbs up for correct answer in a timely manner.
Thanks
Homework Answers
Add Answer to:
Q1 If a null hypothesis is rejected at the 0.10 level of
significance, it....
a)must be...
If a null hypothesis is rejected at the 0.10 significance level but not at the 0.05...
If a null hypothesis is rejected at the 0.10 significance level but not at the 0.05 significance level, then the p-value of the test is between 0.05 and 0.10. True or false?
The null hypothesis must be rejected at a 5% level of significance. The null hypothesis must...
The null hypothesis must be rejected at a 5% level of significance. The null hypothesis must be rejected at a 1% level of significance. The null hypothesis must be rejected at both a 5% and a 1% level of significance. None of the above. same set For a hypothesis testing problem with a given data set, you have rejected the null hypothesis at a 10% level of significance. For the same data set,
11. If the null hypothesis is rejected at a 05 significance level, it (a) must also...
11. If the null hypothesis is rejected at a 05 significance level, it (a) must also be rejected at a.10 significance level. (b) might also be rejected at a .10 significance level. (c) must not be rejected at a.10 significance level. (d) none of the above lfte null hypothesis İs not rejected at a .05 significance level, it: (a) will also not be rejected at a.01 significance level. (b) might be rejected at a .01 significance level. (e) will be...
If a null hypothesis is rejected at a significance level of 1%, then we should say...
If a null hypothesis is rejected at a significance level of 1%,
then we should say that it was rejected at 1%. Reporting that the
null was also rejected at the 5% level of significance is
unnecessary and unwise.
True
False
The p-value equals alpha, the level of significance of the
hypothesis test.
True
False
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING
INFORMATION:
Let X1, X2,
X3, and X4 be a random
sample of observations from a population with...
Q6.) A null hypothesis is not rejected at a given level of significance. As the assumed value of the mean gets further a...
Q6.) A null hypothesis is not rejected at a given level of significance. As the assumed value of the mean gets further away from the true population mean, the Type II error will _____________. A. Increase B. Decrease C. Stay the same D. Randomly fluctuate
I need help with - Should the null hypothesis be rejected? - at the very bottom....
I need help with - Should the null hypothesis be rejected? - at the very bottom. Thank you! To test the belief that sons are taller than their fathers, a student randomly selects 13 fathers who have adult male children. She records the height of both the father and son in inches and obtains the following data. Are sons taller than their fathers? Use the alpha α = 0.025 level of significance. Note: A normal probability plot and boxplot...
Intro to Statistics: Q1: Q2: Q3: [8-1] Suppose we are testing the null hypothesis Ho: u...
Intro to Statistics:
Q1:
Q2:
Q3:
[8-1] Suppose we are testing the null hypothesis Ho: u = 50 and the alternative Ha: u 50 for a normal population with o 6. We took an SRS sample of size 48 and obtained x-bar 53. The P-value for the test is: 0.05 <0.05 Question 2 (0.5 points) 8-2] When performing a one-sample t-test, if the sample size is 14, then of freedom should be used for determining the confidence interval from the...
Confidence intervals indicate the confidence level used to reject the null hypothesis the range of values...
Confidence intervals indicate the confidence level used to reject the null hypothesis the range of values included in the sample a range of values that could contain the population mean the range of values that could equal the sample’s actual mean
Economics- Probability and stats 1. Find the value of the 75th percentile of the following array:...
Economics- Probability and stats
1. Find the value of the 75th percentile of the following array: 5,10,43,9,8,6,2,5 A) 8 B) 9 C) 9.5 D) 8.5 2. Two independent events, A and B, where the P(B) is 0.44 and the probability that A does not occur or B occurs is 0.74. What is the probability that event A occurs? A) 0.3 B) 0.54 C) 0.46 D) 0.28 3. Which of the following is FALSE? A) B) A sampling distribution is a...
Question: Should H0 be rejected? Use the p-value and a level of significance of 0.05 to...
Question: Should H0 be rejected? Use the p-value and a level of significance of 0.05 to justify your answer. Use the above data to construct a 95% confidence interval for p1 - p2 Consider this hypothesis test: H0: p1 - p2 = 0 Ha: p1 - p2 > 0 Here p1 is the population proportion of “yes” of Population 1 and p2 is the population proportion of “yes” of Population 2. Use the statistics data from a simple random sample...
The null hypothesis must be rejected at a 5% level of significance. The null hypothesis must be rejected at a 1% level of significance. The null hypothesis must be rejected at both a 5% and a 1% level of significance. None of the above. same set For a hypothesis testing problem with a given data set, you have rejected the null hypothesis at a 10% level of significance. For the same data set,
11. If the null hypothesis is rejected at a 05 significance level, it (a) must also be rejected at a.10 significance level. (b) might also be rejected at a .10 significance level. (c) must not be rejected at a.10 significance level. (d) none of the above lfte null hypothesis İs not rejected at a .05 significance level, it: (a) will also not be rejected at a.01 significance level. (b) might be rejected at a .01 significance level. (e) will be...
If a null hypothesis is rejected at a significance level of 1%,
then we should say that it was rejected at 1%. Reporting that the
null was also rejected at the 5% level of significance is
unnecessary and unwise.
True
False
The p-value equals alpha, the level of significance of the
hypothesis test.
True
False
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING
INFORMATION:
Let X1, X2,
X3, and X4 be a random
sample of observations from a population with...
Intro to Statistics:
Q1:
Q2:
Q3:
[8-1] Suppose we are testing the null hypothesis Ho: u = 50 and the alternative Ha: u 50 for a normal population with o 6. We took an SRS sample of size 48 and obtained x-bar 53. The P-value for the test is: 0.05 <0.05 Question 2 (0.5 points) 8-2] When performing a one-sample t-test, if the sample size is 14, then of freedom should be used for determining the confidence interval from the...
Economics- Probability and stats
1. Find the value of the 75th percentile of the following array: 5,10,43,9,8,6,2,5 A) 8 B) 9 C) 9.5 D) 8.5 2. Two independent events, A and B, where the P(B) is 0.44 and the probability that A does not occur or B occurs is 0.74. What is the probability that event A occurs? A) 0.3 B) 0.54 C) 0.46 D) 0.28 3. Which of the following is FALSE? A) B) A sampling distribution is a...
Most questions answered within 3 hours.
-
The blues made its way into many kinds of music. Eric Clapton,
The Beatles, and Elvis...
asked 2 hours ago -
8. A wave in a string has a wave function given by: y (x, t) =...
asked 1 hour ago -
If you’re standing at the bottom of a hill and asked to evaluate
it while being...
asked 2 hours ago -
1. Which region has taken the lead in the world of
e-waste handling?
a) European Union...
asked 2 hours ago -
A 8.15- g bullet from a 9-mm pistol has a velocity of 366.0 m/s.
It strikes...
asked 4 hours ago -
The outstanding bonds of Alpha Extracts have a yield to maturity
of 7.4 percent and a...
asked 4 hours ago -
The Problem: The Case of the Harmonizing Vacations
Your CEO is exploring partnering with a European...
asked 5 hours ago -
A chemical equation is balanced by adding coefficients in front
of some formulas so that the...
asked 5 hours ago -
From the literature (reference your sources): What are the
lattice parameters of calcite and aragonite? Why...
asked 6 hours ago -
Your system is rejecting the question am asking which is
preceded by a case study. It...
asked 6 hours ago -
3. On January 2, 2000, Larry creates a trust with himself as
trustee. Larry as trustee...
asked 6 hours ago -
A member of the volleyball team spikes the ball. During this
process, she changes the velocity...
asked 6 hours ago