Do men take less time than women to get out of bed in the morning? The 42 men observed averaged 7.6 minutes to get out of bed after the alarm rang. Their standard deviation was 2.2. The 52 women observed averaged 9 minutes and their standard deviation was 2.1 minutes. What can be concluded at the a = 0.01 level of significance?

Q: If a snowblower is 7 times more than the other objects at a yard sale and you made $480 then how was…

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Q: If you are buying apples and it says they cost $16 for 6 pounds but you only want to buy 1 pound how…

A: For 6 pounds apple cost $16, we want to but only 1 pound.

Q: There were some children in a school hall. During recess, 3/7 of the boys and 7/9 of the girls left…

A: Let the number of boys in the hall at first be x and number of girls in the hall at first be y.

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Q: Would be nice if help.

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Q: It's only one question but it has 3 parts. Here I spend one more question can you please do the…

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Q: In a math class, you have 4 tests. On the first three tests, you have the following scores: 90, 90,…

A: Given Total no. of tests, n=4 Scores on the 1st 3 tests were 90, 90 and 90 Average, x¯=90

Q: Nemo is a little fish who happens to be lost in a sea cave that is very dark. Nemo is in a room in…

A: For n number of observations, harmonic mean is the reciprocal of the arithmetic mean of the…

Q: John got a new puppy for his birthday. He watched the puppy climb up a flight of 12 steps and…

A: Given: Number of steps required = 12 Steps which a dog can hop = 1 or 3 Number of ways to climb 12…

Q: Discount Value X 0 9 Probability 21 26 31 0.25 0.30 0.25 0.10 0.10

A: Here the given information is   On valentine's day, the Quiet Nook restaurant offers a Lucky Lovers…

Q: The average exam score of a math class is 78. The standardized value of a student’s exam score in…

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Q: No it's not for a grade.

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Q: My little brother loves the video “hunting game” he got for Christmas. He gets 2 points for…

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Q: Bella is a really cute dog that lives near our school. Bella's mom is in Class 72. Bella's mom…

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Q: tell why other options are not correct

A: The answer given by the expert is not correct.Here, we will use t-test for population mean (option…

Q: Which of the following steps is an incorrect step in hypothesis testing with an independent samples…

A: We have steps of hypothesis testing with an independent sample t-test. In this test, we compare the…

Q: The COTC Math Club wants to make t-shirts to celebrate "Pi Day". The president of the club calls…

A: T-Shirts - R- Us set up fee = 24 and $3 per shirt cost of 5 shirts = 5 (cost per shirt ) + setup fee…

Q: the problem stated 66 independent students not 60

A: We need to correct the solution since mistakenly 60 is used in calculation when 66 should be used.

Q: Mr. and Mrs. Cole decided to repaint their three-bedroom house. It took Mrs. Cole 4 hours to paint…

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Q: This isnt the section that I asked to be answered. I needed everything after this part

A: We have to find the concentration at 7:30 PM. We will put the value in both C(t) and equation of…

Q: Scott has grades of 86, 75, 79, and 95. If all of the grades count the same, what is the lowest…

A: Avarage value of five exams

Q: During a sale, for every 4 pens bought, 1 pen is given for free. Sally spent a total of $39.20 on 35…

A: Given: During a sale, for every 4 pens bought, 1 pen is given for free. Sally spent a total of…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.