Which of the following is not a characteristic of Students' t distribution
A) For large samples, the t and z distributions are nearly equivalent.
B) depends on degrees of freedom.
C) symmetric distribution
D) mean of 1
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Which of the following is not a characteristic of Students' t distribution
9 Provide an appropriate response. Which of the tollowing is not a characteristic of Students' t...
9 Provide an appropriate response. Which of the tollowing is not a characteristic of Students' t distribution? of 1.00 estonSelect one: O A For large samples, the t and z distributions are nearly equivalent O B symmetric distribution O C. depends on degrees of freedom. o D. mean of 1 tevious page Next pa s Chaptors 8-10 Forum Jump to 5 8 9 0 bn m
Which of the following is NOT a property of the t-distribution? a. it is symmetric b....
Which of the following is NOT a property of the t-distribution? a. it is symmetric b. its a shape size grows large, it gradually approaches the normal distribution c. its shape (spread) is determined by the degrees of of freedom d. it has fatter tails than the normal distribution e. all the above are properties of the t distribution
QUESTION 5 Which statement concerning the t-distribution is false? O AT follows a standard normal distribution...
QUESTION 5 Which statement concerning the t-distribution is false? O AT follows a standard normal distribution OB. The smaller the degrees of freedom the flatter the curve. OC. The t-distribution has a larger standard deviation than the Standard Normal Curve. OD. T-distributions have a mean of 0. o E. The total area under the density curve depends on the degrees of freedom. QUESTION 6 The t-procedures are robust when A. sample size is 12 and the sample data is not...
Which of the following is not true for Degrees of Freedom the number of independent pieces...
Which of the following is not true for Degrees of Freedom the number of independent pieces of data being used to make a calculation the number of degrees of freedom is related to how certain a sample is representative of the entire population Degree of Freedom is sample size (n) minus one Degree of Freedom depends on the number of approximation or estimation used to make a calculation What is the relation between Z distribution and t distribution? Z and...
Which of the following statements is not correct for an F-distribution? A. Exact shape of the...
Which of the following statements is not correct for an F-distribution? A. Exact shape of the distribution is determined by two numbers of degrees of freedom B. Variables that are F-distributed range from 0 to 100 C. Degrees of freedom for the numerator can be larger, smaller, or equal to the degrees of freedom for the denominator. D. Degrees of freedom for the denominator are always smaller than the degrees of freedom for the numerator In testing the difference between...
Which of the following is not a characteristic of the normal distribution? a) The total area...
Which of the following is not a characteristic of the normal distribution? a) The total area under the curve is 1.0 b) The curve is symmetric about the mean c) The value of the mean is always greater than the value of the standard deviation d) The two tails of the curve extend indefinitely
The t distribution: Select one: a. has n -1 degrees of freedom b. is symmetric c....
The t distribution: Select one: a. has n -1 degrees of freedom b. is symmetric c. approaches a normal distribution as n becomes large d. all of the above
How is the t-distribution similar to the standard normal z-distribution? a. Both are symmetrical distributions around...
How is the t-distribution similar to the standard normal z-distribution? a. Both are symmetrical distributions around zero. b. Both are discrete distributions. c. Both have probability density functions are are defined by "degrees of freedom" d. Both are skewed distributions.
Which of the following is true for the t distribution? O A. There are many t...
Which of the following is true for the t distribution? O A. There are many t distributions, depending on the sample size. OB. The t distribution approaches the Z distribution for smaller sample sizes. C. Confidence intervals will be narrower than those constructed from larger samples. OD. The distribution is positively skewed.
The shape of which distribution is not controlled by the degrees of freedom? F t Which...
The shape of which distribution is not controlled by the degrees of freedom? F t Which of the following accurately represents characteristics of the x2 distribution? There may be more than one correct answer, select all that are correct. The degrees of freedom for a Chi-square test of independence are k-1. As the degrees of freedom increase, the critical value of the chi-square distribution becomes larger. | It can assume both negative and positive values. The Chi-square goodness-of-fit test is...
9 Provide an appropriate response. Which of the tollowing is not a characteristic of Students' t distribution? of 1.00 estonSelect one: O A For large samples, the t and z distributions are nearly equivalent O B symmetric distribution O C. depends on degrees of freedom. o D. mean of 1 tevious page Next pa s Chaptors 8-10 Forum Jump to 5 8 9 0 bn m
QUESTION 5 Which statement concerning the t-distribution is false? O AT follows a standard normal distribution OB. The smaller the degrees of freedom the flatter the curve. OC. The t-distribution has a larger standard deviation than the Standard Normal Curve. OD. T-distributions have a mean of 0. o E. The total area under the density curve depends on the degrees of freedom. QUESTION 6 The t-procedures are robust when A. sample size is 12 and the sample data is not...
Which of the following is true for the t distribution? O A. There are many t distributions, depending on the sample size. OB. The t distribution approaches the Z distribution for smaller sample sizes. C. Confidence intervals will be narrower than those constructed from larger samples. OD. The distribution is positively skewed.
The shape of which distribution is not controlled by the degrees of freedom? F t Which of the following accurately represents characteristics of the x2 distribution? There may be more than one correct answer, select all that are correct. The degrees of freedom for a Chi-square test of independence are k-1. As the degrees of freedom increase, the critical value of the chi-square distribution becomes larger. | It can assume both negative and positive values. The Chi-square goodness-of-fit test is...
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