help me with 3 and 4 pleaseHomework Answers
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help me with 3 and 4 please
3. Determine whether the values below are usual or...
*Please Answer All* 1. A sample of 210 one-year-old baby boys in the United States had...
*Please Answer All* 1. A sample of 210 one-year-old baby boys in the United States had a mean weight of 23.8 pounds. Assume the population standard deviation is 3.0 pounds. What is the upper bound of the 90% confidence interval for the mean lifetime of the components? Round to two decimals. 2. Efficiency experts study the processes used to manufacture items in order to make them as efficient as possible. One of the steps used to manufacture a metal clamp...
Hello if someone could help me with this multi part probably for the statistics? Thank you!...
Hello if someone could help me with this multi part probably for the statistics? Thank you! Question 32q: A researcher is comparing two different weight-loss drugs. She splits her study participants into two halves randomly; every day for a month, one half (Group 1) takes Drug 1, and the other half (Group 2) takes Drug 2. She measures the total weight loss, in pounds, of each participant. A) Total Weight Loss of Each Participant at the end of the study...
i need help with all 3 please . thank you Assume that the weight loss for...
i need help with all 3 please . thank you
Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution. Draw a graph to represent this uniform distribution. Find the probability of the given range of pounds lost. Points: 5 26) Find the probability of weight loss between 8.5 pounds and 10 pounds. Show...
00 Pilots who cannot maintain regular sleep hours due to their work schedule often suffer from...
00 Pilots who cannot maintain regular sleep hours due to their work schedule often suffer from insomnia. A recent study on sleeping patterns of pilots focused on quantifying deviations from regular sleep hours. A random sample of 15 commercial airline pilots was interviewed, and the pilots in the sample reported the time at which they went to sleep on their most recent working day. The study gave the sample mean and standard deviation of the times reported by plots, with...
please tell me if its a z test ke t test and why it is :)...
please tell me if its a z test ke t test and why it is :)
thanks!
CHECK ANSWERS! You should use a Z test because of the large sample size 30 < and we know the mean and the standard deviation. 6. The Graded Naming Test (GNT) requires respondents to name objects in a set of 30 black-and-white drawings. The test is often used to detect brain damage in the UK. The test begins with easy words like kangaroo,...
3 Using your TI-83/4, calculate the (a) minimum, (b) lower quartile (Q1), (c) median, (d) upper...
3 Using your TI-83/4, calculate the (a) minimum, (b) lower quartile (Q1), (c) median, (d) upper quartile (Q3) and (e) maximum of the following data (n = 25; Sx = 260). (p 89) 2 3 15 10 11 7 19 12 -3 14 6 2 14 12 22 2 16 22 9 5 0 13 13 16 18 4 Using your TI-83/4, sketch a histogram of the following data (n = 25; Sx = 1327) and calculate...
im so grateful for all your help! this has helped me in so many ways especially...
im so grateful for all your help! this has helped me in so
many ways especially with all the things going on right now. thank
you so much !!
1
2
3
4
(1 point) 35 people are randomly selected and the accuracy of their wristwatches is checked, with positive errors representing watches that are ahead of the correct time and negative errors representing watches that are behind the correct time. The 35 values have a mean of 94sec and...
5.4.1 Question Help A population has a mean = 141 and a standard deviation o =...
5.4.1 Question Help A population has a mean = 141 and a standard deviation o = 28. Find the mean and standard deviation of the sampling distribution of sample means with sample size n = 40. The mean is :-), and the standard deviation is 0;=0 (Round to three decimal places as needed.) 5.4.2 Question Help A population has a meanu - 74 and a standard deviation = 8. Find the mean and standard deviation of a sampling distribution of...
Please help me find the solutions with the work. I’ve done the work and the answers...
Please help me find the solutions
with the work. I’ve done the work and the answers are in the back
but my answers don’t correlate and I wanna see where I might have
gone wrong.
Statistics Cumulative Final Exam Review 1) For the population: 15 22 17 18 28 find the mean and standard deviation 2) Find the mean and standard deviation for the following frequency distribution Class 0- 4 5-9 Ereauency 10-14 15-19 20-24 3) Based on experience, Alice...
THANK YOU IN ADVANCE FOR HELPING ME! i appreciate this soo much! this has helped me...
THANK YOU IN ADVANCE FOR HELPING ME! i appreciate this soo
much! this has helped me a lot especially throught times like this.
im so grateful for
your help
1
2
3
4
(1 point) The time needed for college students to complete a certain paper-and-pencil maze follows a normal distribution with a mean of 30 seconds and a standard deviation of 2.3 seconds. You wish to see if the mean time is changed by vigorous exercise, so you have...
i need help with all 3 please . thank you
Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution. Draw a graph to represent this uniform distribution. Find the probability of the given range of pounds lost. Points: 5 26) Find the probability of weight loss between 8.5 pounds and 10 pounds. Show...
00 Pilots who cannot maintain regular sleep hours due to their work schedule often suffer from insomnia. A recent study on sleeping patterns of pilots focused on quantifying deviations from regular sleep hours. A random sample of 15 commercial airline pilots was interviewed, and the pilots in the sample reported the time at which they went to sleep on their most recent working day. The study gave the sample mean and standard deviation of the times reported by plots, with...
please tell me if its a z test ke t test and why it is :)
thanks!
CHECK ANSWERS! You should use a Z test because of the large sample size 30 < and we know the mean and the standard deviation. 6. The Graded Naming Test (GNT) requires respondents to name objects in a set of 30 black-and-white drawings. The test is often used to detect brain damage in the UK. The test begins with easy words like kangaroo,...
im so grateful for all your help! this has helped me in so
many ways especially with all the things going on right now. thank
you so much !!
1
2
3
4
(1 point) 35 people are randomly selected and the accuracy of their wristwatches is checked, with positive errors representing watches that are ahead of the correct time and negative errors representing watches that are behind the correct time. The 35 values have a mean of 94sec and...
5.4.1 Question Help A population has a mean = 141 and a standard deviation o = 28. Find the mean and standard deviation of the sampling distribution of sample means with sample size n = 40. The mean is :-), and the standard deviation is 0;=0 (Round to three decimal places as needed.) 5.4.2 Question Help A population has a meanu - 74 and a standard deviation = 8. Find the mean and standard deviation of a sampling distribution of...
Please help me find the solutions
with the work. I’ve done the work and the answers are in the back
but my answers don’t correlate and I wanna see where I might have
gone wrong.
Statistics Cumulative Final Exam Review 1) For the population: 15 22 17 18 28 find the mean and standard deviation 2) Find the mean and standard deviation for the following frequency distribution Class 0- 4 5-9 Ereauency 10-14 15-19 20-24 3) Based on experience, Alice...
THANK YOU IN ADVANCE FOR HELPING ME! i appreciate this soo
much! this has helped me a lot especially throught times like this.
im so grateful for
your help
1
2
3
4
(1 point) The time needed for college students to complete a certain paper-and-pencil maze follows a normal distribution with a mean of 30 seconds and a standard deviation of 2.3 seconds. You wish to see if the mean time is changed by vigorous exercise, so you have...
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