Sampling error equals half the width of a confidence interval.
Indicate whether the statement is true or false
Q. 2You were told that the mean score on a statistics exam is 75 with the scores normally distributed. In addition, you know the probability of a score between 55 and 60 is 4.41 and that the probability of a score greater than 90 is 6.68. The middle 86.64 of the students will score between which two scores?
What will be an ideal response?
Q. 3The difference between the lower limit of a confidence interval and the point estimate used in constructing the confidence interval is called the sampling error.
Indicate whether the statement is true or false
Q. 4You were told that the mean score on a statistics exam is 75 with the scores normally distributed. In addition, you know the probability of a score between 55 and 60 is 4.41 and that the probability of a score greater than 90 is 6.68. What is the probability of a score between 55 and 95?
What will be an ideal response?
Q. 5The difference between the upper limit of a confidence interval and the point estimate used in constructing the confidence interval is called the sampling error.
Indicate whether the statement is true or false
Q. 6You were told that the mean score on a statistics exam is 75 with the scores normally distributed. In addition, you know the probability of a score between 55 and 60 is 4.41 and that the probability of a score greater than 90 is 6.68. What is the probability of a score between 55 and 90?
What will be an ideal response?
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