stats quiz 2 Exam Questions Written With 100% Verified Answers.
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Course
MNM
Institution
MNM
The measure of location which is the most likely to be influenced by extreme values in the data set is the - correct answer mean
If two groups of numbers have the same mean, then - correct answer other measures of location...
The measure of location which is the most likely to be influenced by extreme values in the data set is the
- correct answer mean
If two groups of numbers have the same mean, then - correct answer other
measures of location need not be the same
The mean of the sample - correct answer can assume any value between the
highest and the lowest value in the sample.
When a percentage of the smallest and largest values are deleted from a data set, the mean of the
remaining data values is the - correct answer trimmed mean
Which of the following provides a measure of central location for the data - correct answer
mean
In computing the mean of a sample, the value of ∑xi is divided by - correct answer
n.
mean of a sample - correct answer is computed by summing all the data values and
dividing the sum by the number of items.
The hourly wages of a sample of 130 system analysts are given below.
mean = 60 range = 20
mode = 73 variance = 324
median = 74
the coefficient of variation equals - correct answer 30%
, The variance of a sample of 169 observations equals 576. The standard deviation of the sample equals -
correct answer 24
The median is a measure of - correct answer central location
The 50th percentile is the - correct answer median
The 75th percentile is referred to as the - correct answer third quartile
The difference between the largest and the smallest data values is the - correct answer
range
the first quartile - correct answer is the same as the 25th percentile.
When computing the mean, the smallest value - correct answer can be any value.
Which of the following is not a measure of central location - correct answer
variance
If a data set has an even number of observations, the median - correct answer is the
average value of the two middle items when all items are arranged in ascending order.
Which of the following is a measure of variability - correct answer Interquartile
range
The value which has half of the observations above it and half the observations below it is called the -
correct answer median
The most frequently occurring value of a data set is called the - correct answer
mode
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