frequency polygon, animation

In a frequency distribution, the mid-value of each class is obtained. Then on the graph paper, the frequency is plotted against the corresponding mid-value. These points are joined by straight lines. These straight lines may be extended in both directions to meet the X - a..

In a frequency distribution, the mid-value of each class is obtained. Then on the graph paper, the frequency is plotted against the corresponding mid-value. These points are joined by straight lines. These straight lines may be extended in both directions to meet the X - axis to..

A plot of the cumulative frequency against the upper class boundary with the points joined by line segments. Any continuous cumulative frequency curve, including a cumulative frequency polygon, is called an ogive. There are two ways of constructing an o..

Which of the following statement(s) is/are true? I. On a pareto chart, the frequencies should be represented on the y - axis. II. In a frequency distribution, the number of classes should be between 5 and 20. III. The three types of frequency distributions are histogra..

Which of the following statement(s) is/are true? I. The other name for an ogive is a frequency polygon. II. The boundaries for the class limits 8.6 - 8.8 are 8.55 - 8.85. III. A Pareto chart can be used to show the relationship between the parts and the whole. => II only or I an..

Plant scientists developed different varieties of corns that have a rich content of lysine which is a nutritious animal feed. A group of chicks were given this food to test the quality. Weight gains (in grams) of these chicks after 21 days are as recorded: 380, 321, 366, 356, 349, 337, 39..

The frequency distribution for the systolic blood pressure readings (in millimeters of mercury - mm Hg) of 200 randomly selected college students is given. Systolic blood pressure reading Number of students 89.5 - 104.5 24 104.5 - 119.5 62 119.5 - 134.5 72 134.5 - 149.5 26 149.5 - 164.5 1..

The frequency distribution represents the data obtained from a sample of computer repairs. The values are the mean time (in hours) between repairs on 80 machines. Mean time between repairs Number of machines 25.5 - 28.5 5 28.5 - 31.5 9 31.5 - 34.5 32 34.5 - 37.5 20 37.5 - 40.5 12 40.5 - 4..

A statistics instructor wishes to see whether there is any relationship between the number of home work problems a student completes and his/her exam scores. The data is given as: Home work problems Exam score 6 65 8 71 10 75 12 98 14 93 16 63 18 72 20 89 22 100 Identify the frequency ..

The cost per load (in cents) of 35 laundry detergents used by a consumer organization are given. Cost per load Number of detergents 13 - 19 2 20 - 26 7 27 - 33 12 34 - 40 5 41 - 47 6 48 - 54 1 55 - 61 0 62 - 68 2 Which graph represents the frequency polygon for the given data? =..