If two data sets have the same range, the variances in both sets will be the same.
Indicate whether the statement is true or false
Q. 2The objective of inferential statistics is to use the information contained in the sample data to increase our knowledge of the sample.
Indicate whether the statement is true or false
Q. 3In a histogram, the proportion of the total area which must be to the left of the median is more than 0.50 if the distribution is skewed to the right.
Indicate whether the statement is true or false
Q. 4The maximum error of estimate is controlled by three factors: level of confidence, sample size, and standard deviation.
Indicate whether the statement is true or false
Q. 5In a histogram, the proportion of the total area which must be to the left of the median is less than 0.50 if the distribution is skewed to the left.
Indicate whether the statement is true or false
Q. 6In real-world problems, the population standard deviation is often unknown.
Indicate whether the statement is true or false
Q. 7The value of the mean times the number of observations equals the sum of all of the observations.
Indicate whether the statement is true or false
Quick Reply
