Statistics

posted by .

What critical t value would be needed to construct a 90% confidence interval on a sample of size 22?


1.717

1.323

2.080

1.321

1.721

  • Statistics -

    Use n-1 for degrees of freedom. Check a t-table using that value.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. statistics

    1. A random sample of size 49 is taken from a large population, measuring the time it takes to complete a driver’s license examination. The sample mean was found to be 47 minutes, and the sample standard deviation 5.89 minutes. Construct …
  2. statistics

    A random sample of size 49 is taken from a large population, measuring the time it takes to complete a driver’s license examination. The sample mean was found to be 47 minutes, and the sample standard deviation 5.89 minutes. Construct …
  3. Statistics

    Find the minimum sample size that should be chosen to assure that the proportion estimate p will be within the required margin of error, .06. Use a 95% confidence interval and a population proportion of .7. The critical value for a …
  4. Statistics

    What critical t value would be needed to construct a 90% confidence interval on a sample of size 22?
  5. Stats

    What critical t value would be needed to construct a 90% confidence interval on a sample of size 22?
  6. Math-Stat Help

    In a random sample of 78 teenagers, 32 admit to texting while driving. Construct a 98% confidence interval for the percentage of teenager that text while driving. Start by showing that conditions for constructing a confidence interval …
  7. Math Statistics

    5. Students in an introductory statistics class were asked to report the age of their mothers when they were born. Summary statistics include Sample size: 36 students Sample mean: 29.643 years Sample standard deviation: 4.564 years …
  8. Statistics

    When consumers apply for credit, their credit is rated using the FICO score. A bank manager used a random sample of the credit scores of 18 customers and determined the following 95% confidence interval: (613.6, 708.0) If the sample …
  9. Statistics

    You are given the following information obtained from a random sample of 6 observations. Assume the population has a normal distribution. 13 14 17 14 17 15 a. What is the point estimate of µ?
  10. statistics

    A simple random sample of a size n is drawn from a population that is normally distributed. The sample mean, x is found to be 110, and the sample standard deviation, s, is found to be 10. A- Construct a 95% confidence interval about …

More Similar Questions