bellshaped

  1. L

    Which has a greater mean/standard deviation, a uniform model or a bell-shaped curve?

    This is the last problem on my Stats homework and I can't remember! 'll give full points to whoever answers:)
  2. S

    Bell-shaped Distribution?

    Data are drawn from a relatively symmetric and bell-shaped distribution with a mean of 110 and a standard deviation of 4. What percentage of the observations are less than 106? Thank you.
  3. I

    Bell-Shaped Distribution (Statistics)?

    I'm having difficulties understanding this, I got this all wrong on my test and would like to know how to solve it. Any help is greatly appreciated! Thanks. The weight of an organ in adult males has a bell-shaped distribution with a mean of 340 grams and a standard deviation of 20 grams. Use...
  4. T

    What is the function of the normal distribution (bell-shaped) curve used to...

    ...calculate z-scores? I do not know the function.. Is it something like f(x) = ln(x) or something --> i know thats not it just providing a template for the answer i have been searching for. From there i need to find the definite integral from - infinite; to -2, for x, i know this should be .05...
  5. V

    What is a Bell-shaped curve? Why does data form a bell shaped curve?

    All I know that a bell shaped curve is like a curvy line on a graph. plz help me
  6. S

    Bell-shaped curve used to illustrate data signifies a _________ curve.?

    A sample B constant C normal D backwards
  7. M

    The scores on a certain test have a bell-shaped distribution with a mean of...

    ...200 and a standard deviation of 10? The scores on a certain test have a bell-shaped distribution with a mean of 200 and a standard deviation of 10. Use the Empirical Rule to find the percentage of people with scores on the test between 190 and 210
  8. M

    A supermarket has determined that daily demand for eggs has a bell-shaped

    distribution, with a mean of 55? A supermarket has determined that daily demand for eggs has a bell-shaped distribution, with a mean of 55 cartons and a standard deviation of six cartons. If the supermarket begins each morning with a stock of 61 cartons of eggs, approximately what percentage of...
  9. A

    Statistics Experts only : Scores on an IQ test have a bell-shaped...

    ...distribution with a mean of 100 and a standa? Scores on an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 16. Which one of the statements below is incorrect? (1) Using the empirical rule, we can say that approximately 68% of the values lie between 84...
Back
Top