Question

The claim is that the white blood cell counts of adult females are normally​ distributed, with...

The claim is that the white blood cell counts of adult females are normally​ distributed, with a standard deviation equal to 2.19. A random sample of 41

adult females has white blood cell counts with a mean of 8.55 and a standard deviation of 3.46.

Find the value of the test statistic.

The test statistic is?

Homework Answers

Answer #1

For the given problem to compare the variances, we can use Chi Square test with degree of freedom n-1.

Please see the attached files for detailed answer.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Assume that the red blood cell counts of woman are normally distributed with a mean of...
Assume that the red blood cell counts of woman are normally distributed with a mean of 4.577 and a standard deviation of 0.328. Apply technology or calculator to solve the following questions, make sure you apply the round-off rule correctly: (a) Find the probability that a randomly selected woman has a red blood cell count below the normal range of 4.1 to 5.4. (b) Find the probability that a randomly selected woman has a red blood cell count above the...
Assume that the red blood cell counts of woman are normally distributed with a mean of...
Assume that the red blood cell counts of woman are normally distributed with a mean of 4.577 and a standard deviation of 0.328. Apply technology or calculator to solve the following questions, make sure you apply the round-off rule correctly: (a) Find the probability that a randomly selected woman has a red blood cell count below the normal range of 4.1 to 5.4. (b) Find the probability that a randomly selected woman has a red blood cell count above the...
Claim: Fewer than 96​% of adults have a cell phone. In a reputable poll of 1196...
Claim: Fewer than 96​% of adults have a cell phone. In a reputable poll of 1196 ​adults, 86​% said that they have a cell phone. Find the value of the test statistic. The value of the test statistic is. ​(Round to two decimal places as​ needed.) ​Claim: The mean pulse rate​ (in beats per​ minute) of adult males is equal to 69 bpm. For a random sample of 138 adult​ males, the mean pulse rate is 69.9 bpm and the...
15) Assume that the height of adult females in the United States is approximately normally distributed...
15) Assume that the height of adult females in the United States is approximately normally distributed with a mean of 64.1 inches and a standard deviation of 2.86 inches. A sample of 8 such women is selected at random. Find the probability that the mean height of the sample is greater than 63.5 inches. Round your answer to 4 decimal places.
The red blood cell counts (in cells per microliter) of a healthy adult measured on days...
The red blood cell counts (in cells per microliter) of a healthy adult measured on days are as follows: 54, 55, 53, 50, 48 Find the standard deviation of this sample of counts. Round your answer to two decimal places.
Assume that weights of adult females are normally distributed with a mean of 78 kg and...
Assume that weights of adult females are normally distributed with a mean of 78 kg and a standard deviation of 21 kg. What percentage of individual adult females have weights less than 83 ​kg? If samples of 49 adult females are randomly selected and the mean weight is computed for each​ sample, what percentage of the sample means are less than 83 ​kg? The percentage of individual adult females with weights less than 83 kg is ___%. ​ The percentage...
The red blood cell counts​ (in millions of cells per​ microliter) for a population of adult...
The red blood cell counts​ (in millions of cells per​ microliter) for a population of adult males can be approximated by a normal​ distribution, with a mean of 5.7 million cells per microliter and a standard deviation of 0.3 million cells per microliter. ​(a) What is the minimum red blood cell count that can be in the top 21​% of​ counts? ​(b) What is the maximum red blood cell count that can be in the bottom 12​% of​ counts?
The red blood cell counts​ (in millions of cells per​ microliter) for a population of adult...
The red blood cell counts​ (in millions of cells per​ microliter) for a population of adult males can be approximated by a normal​ distribution, with a mean of 5.8 million cells per microliter and a standard deviation of 0.4 million cells per microliter. ​(a) What is the minimum red blood cell count that can be in the top 26​% of​ counts? ​(b) What is the maximum red blood cell count that can be in the bottom 13​% of​ counts?
The red blood cell counts​ (in millions of cells per​ microliter) for a population of adult...
The red blood cell counts​ (in millions of cells per​ microliter) for a population of adult males can be approximated by a normal​ distribution, with a mean of 5.6 million cells per microliter and a standard deviation of 0.5 million cells per microliter.​(a) What is the minimum red blood cell count that can be in the top 21​% of​ counts?​(b) What is the maximum red blood cell count that can be in the bottom 10​% of​ counts? ​
The red blood cell counts​ (in millions of cells per​ microliter) for a population of adult...
The red blood cell counts​ (in millions of cells per​ microliter) for a population of adult males can be approximated by a normal​ distribution, with a mean of 5.2 million cells per microliter and a standard deviation of 0.3 million cells per microliter. ​(a) What is the minimum red blood cell count that can be in the top 22​% of​ counts? ​(b) What is the maximum red blood cell count that can be in the bottom 13​% of​ counts?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT