average of the values in a data set tutorial

The average of data values in the data set is called _______. => mean or median or mode or range..

Identify the incorrect statement(s). I. For an open-ended frequency distribution, Mean is the best average. II. Mean and Midrange are not effected by extremely high or low values in a data set. III. Bimodal is a data set with two modes. IV..

The lower quartile of a data set is the 8 th data value. How many data values are there in the data set? => 31 or 32 or 30 or 34..

How many data values are there in the data set if the 8 th data value is the middle quartile? => 16 or 14 or 17 or 15..

Which measure of central tendency is the most appropriate for a data set that describes the average sales of a company for various years? => median or mean or mean and median or mode..

The mean for a data set is 176. If one more value 167 is added to the set, how does the mean get affected? => decreases or does not change or insufficient information to conclude or increases..

What are the values of the lower quartile and the upper quartile of a data set, if its least value is 171, middle quartile is 229 and the greatest value is 249? => 171, 249 or 171, 229 or 229, 249 or Cannot be determined..

Mean Deviation of a data value is ______ . => how much it differs from the mode. or sum of all the data values. or range of the given data set. or how much it differs from the mean...

The difference between the greatest and the least value in a set of data is called ________. => range or mode or median or mean..

The position of the greatest value in a set of data is 11. What are the positions of the lower quartile, the middle quartile and the upper quartile? => 1, 3, 6 or 3, 6, 9 or 3, middle of 5 th and 6 th positions, 10 or Cannot be determined..