data intervals

Using the stem-and-leaf plot, find the number of data items in the interval 20 - 49. => 10 or 6 or 9 or 12..

From the stem-and-leaf plot, find how many data values are less than 94, from the intervals 80 - 89, 90 - 99, 100 - 109 and 110 - 119. => 5 or 4 or 6 or 7..

Identify the interval level of data. I. height II. nationality III. age IV. IQ V. time => II only or IV only or V only or III, IV and V only..

From the stem-and-leaf plot, find how many data values are less than 93, from the intervals 80 - 89, 90 - 99, 100 - 109, and 110 - 119. => 6 or 3 or 4 or 5..

From the stem-and-leaf plot, find how many data values are less than 100, from the intervals 80 - 89, 90 - 99, 100 - 109 and 110 - 119. => 8 or 9 or 6 or 7..

Which statement is incorrect for the interval level of measurement? => true zero exists in the data or temperature is an example of interval level of measurement or there is precise difference between units of measurement or data can be ranked..

The following data is about the grades of students in a test. Which of the following show the intervals of equal size to group the data? 58 73 80 79 51 66 67 59 60 73 76 76 78 78 60 57 78 62 65 => 51-65, 75-80 or 50-55, 55-60, 60-65, 65-70, 70-75, 75-80 or 51-55, 60-65..

Classify the data according to the level of measurement. [nominal - N, ordinal - O, interval - I, ratio - R] 1. temperature 2. wages 3. time 4. zip code 5. grade => 1 - I, 2 - R, 3 - R, 4 - N, 5 - O or 1 - O, 2 - N, 3 - I, 4 - R, 5 - I or 1 - N, 2 - R, 3 - I, 4 - O, 5 - R or 1 -..

In the given stem-and-leaf plot, find how many data values are greater than 10.3, from the intervals 8.0 - 8.9, 9.0 - 9.9, 10.0 - 10.9 and 11.0 - 11.9. => 2 or 5 or 4 or 6..

If X ‾ is mean, s is standard deviation and x is a value in the data set, then I. About 68% of the data lies in the interval X ‾ - s < x < X ‾ + s. II. About 95% of the data lies in the interval X ‾ - 2s < x ..