statistics

posted by .

Cholesterol levels of adult males are approximately normally distributed with a mean of mg/dL and a listed standard deviation of . Some researchers claim that the standard deviation of cholesterol levels of adult males is less than . Suppose that we want to carry out a hypothesis test to see if the actual standard deviation of cholesterol levels of adult males is less than . State the null hypothesis and the alternative hypothesis that we would use for this test

  • statistics -

    Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. statistics

    Cholesterol levels of adult males are approximately normally distributed with a mean of mg/dL and a listed standard deviation of . Some researchers claim that the standard deviation of cholesterol levels of adult males is less than …
  2. statistics

    Experts consider high serum cholesterol levels to be associated with an increased incidence of coronary heart disease .suppose that the logarithm of cholesterol levels for males in a given age bracket are normally distributed with …
  3. Statistics

    Cholesterol levels of adult males are approximately normally distributed with a mean of mg/dL and a listed variance of . Some researchers claim that the variance of cholesterol levels of adult males is less than . Suppose that we want …
  4. Statistics

    The serum cholesterol levels in men aged 18 to 24 are normally distributed with a mean of 178.1 and a standard deviation of 40.7. A group of 9 men aged 18 to 24 randomly selected. 1. Find the probability that there are at least 2 men …
  5. statistics

    The cholesterol levels of young women aged 20 to 34 vary approximately normal with mean 185 milligrams per deciliter and standard deviation 39 mg/dl. Cholesterol levels for men vary with mean 222mg/dl and standard deviation 37 mg/dl …
  6. statistics

    adult males have normally distributed heights with mean of 69.0 in and a standard deviation of 2.8 in. if a clothing manufacture decides to produce goods that exclude the shortest 12% and the tallest 12% of adult males, find the minimum …
  7. statistics

    The serum cholesterol levels for men in in one age group are normally distributed with mean of 178.1 and standard deviation of 40.8. All units are in mg/100ml. Find two levels that cut off the top 10% and the bottom 10 % from the distribution …
  8. statistics

    The following table shows the summary statistic of the cholesterol levels of two groups of men in 2014. From 25 to 40 years old, the mean is 224, standard deviation is 5.5 and the sample size is 12. From 41 to 55 years old, the mean …
  9. math (stats)

    The cholesterol levels of adult American women are approximately normal with the mean of 188 mg/dl and a standard deviation of 24 mg/dl. a company wants to test a certain medication for women falling in the highest 15% of cholesterol …
  10. statistics

    The cholesterol levels of adult American women has a mound-shaped and symmetric distribution with a mean of 188mg/dL and a standard deviation of 24 mg/dL. In what interval would you expect most American women’s cholesterol levels …

More Similar Questions