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Answers by Nop

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You wish to test H 0 : μ d = 0 versus H a : μ d < 0 at a significance level of 0.10. For the context of this problem, μ d = μ 2 − μ 1 where the first data set represents a pre-test and the second data set represents a post-test. You obtain pre-test and post-test samples for n d = 28 subjects. The average difference (post - pre) is ¯ x d = − 4.3 with a standard deviation of the differences of s d = 45.5 . What is the test statistic?
answered Feb 22, 2022
5 votes
55.1k views
What is the mass of an object that is experiencing a net force of 225 N and an acceleration of 3.0 m/s^2?​
answered Jan 3, 2022
4 votes
98.5k views
In which geometry is there no line parallel to a given line through a point not on the line?
answered Dec 3, 2021
4 votes
35.0k views
A bicyclist is riding to the left with a velocity of 14 \,\dfrac{\text m}{\text s}14 s m ​ 14, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction. After a steady
answered Oct 31, 2021
0 votes
224k views
Why does this have to be
answered Sep 25, 2021
2 votes
172k views
All classical music sounds the same to me; however, my father assures me that there is a _______ between each piece.
answered Sep 20, 2021
4 votes
104k views
Which factor plays the largest role in economic decisions in a command economy?
answered Sep 10, 2021
4 votes
101k views
Slope intercept of (1,1) and (0,7)
answered Jul 31, 2021
5 votes
63.6k views
Why is oxygen written with a subscript 2 in CO2? . A. Its mass is twice as great as the reactants'. B. Each molecule of carbon dioxide has two oxygen atoms. C. Its mass increases by two times as a result
answered Jul 3, 2021
4 votes
64.3k views
PLS HELP ASAP salt water is a pure substance true or false?
answered Jun 27, 2021
0 votes
30.6k views
A bank advertises that they will pay 1.5% simple annual interest on new savings accounts. Lorenzo puts $400 in a new account. If he does not deposit it withdraw money, how much will he have altogether
answered May 16, 2021
4 votes
228k views
How much will Bill pay in Medicare if he makes $100,000 next year?
answered Apr 3, 2021
1 vote
115k views
Which happens during crossing over? Two sex cells join together and combine DNA. Genes are exchanged between two alleles. Genes are exchanged between two egg cells. Chromosomes line up randomly during
answered Mar 20, 2021
2 votes
169k views
Which of these events of world war two happen first A) Japan surrenders B) Germany surrenders C) Japan bombs Pearl Harbor D) allied forced invade France HELP !!!!
answered Dec 18, 2020
4 votes
231k views
Why does alternating current change direction 50 to 60 times per second? A) because it is produced by a generator that changes current direction as it spins B) because magnetic fields from the generator
answered Oct 9, 2020
3 votes
32.0k views
3. Why did Salomon feel the need to defend the contribution of Jews to the Revolution?​
answered Sep 11, 2020
0 votes
219k views
(x^2+1/x^2)=38,find the value of x+1/x
answered Jun 15, 2020
5 votes
158k views
James Industries uses departmental overhead rates to allocate its manufacturing overhead to jobs. The company has two departments: Assembly and Sanding. The Assembly Department uses a departmental overhead
answered Feb 28, 2020
2 votes
7.6k views
Identify the number 127 as a rational or irrational. Explain
answered Jan 30, 2020
1 vote
147k views
What does this quote show? It is easier for a lot of young people in this city and in some of your communities to buy a gun than it is to buy a book. It is easier in some communities to find a gun than
answered Nov 17, 2019
2 votes
122k views
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