Grade 11 and 12 Mathematics (Moderator: geoffrey)

The mean of a sample always divides the data into two equal halves (half larger and half smaller in ...

Started by javeds

For any distribution, the sum of the deviations from the mean equals zero. Indicate whether the ...

Started by Marty

The term average is often associated with all measures of central tendency. Indicate whether the ...

Started by dollx

The median is the value of the data that occupies the middle position when the data are ranked in ...

Started by serike

The midrange is the number exactly midway between a lowest value data L and a highest value data H. ...

Started by wenmo

The population median is represented by M (the uppercase mu in the Greek alphabet). Indicate ...

Started by SAVANNAHHOOPER23

The midrange is the range of the middle two values. Indicate whether the statement is true or ...

Started by vinney12

There is no limit to how widely spread out the data can be; therefore, measures of dispersion can be ...

Started by Capo

The range is the difference in value between the highest-valued (H) and the lowest- valued (L) data. ...

Started by mynx

In a box-and-whisker display, the length of the box is the same as the interquartile range. ...

Started by sjones

The median, the midrange, and the midquartile are always the same value, since each is a middle ...

Started by karen

On a test Jim scored at the 50th percentile and Jean scored at the 25th percentile; therefore, Jim's ...

Started by lak

Data must be ranked before calculating many of the measures of position. Indicate whether the ...

Started by robinn137

Measures of position are used to describe the position a specific data value possesses in relation ...

Started by lb_gilbert

Each set of data has 100 percentiles. Indicate whether the statement is true or ...

Started by torybrooks

The midquartile is the numerical value midway between the first quartile and the third quartile. ...

Started by drink

The interquartile range is the range of the middle 50 of the data. Indicate whether the statement ...

Started by justinmsk

Since the z-score is a measure of relative position with respect to the mean, it can be used to help ...

Started by mmm

Which of the following statements is false regarding an ogive? a. It is a line graph of a ...

Started by amal

The following set of data represents the ages of students in a small seminar: 20, 21, 22, 25, 26, ...

Started by saraeharris

Which of the following is not affected by extreme values? a. Median b. Tenth percentile c. Third ...

Started by rl

Adding 5 to each value in a data set would not change which of the following measures? a. Mode b. ...

Started by abern

Which of the following is the weakest measure of dispersion? a. Range b. Variance c. Standard ...

Started by humphriesbr@me.com

Which of the following types of graphs would not be good for qualitative data? a. Box-and-whiskers ...

Started by penguins

If the 70th percentile for a set of exam scores is 82, what does this mean? a. At most 70 of the ...

Started by deesands