constructing a frequency table

The scores of 20 students in a quiz are collected and shown in the table: Construct a frequency distribution and a histogram for the data. => Figure - A or Figure - B..

Identify the statement which does not form a part of the procedure in the construction of a frequency table. I. The number of classes should be between 6 and 20. II. The class width should be an even number. III. The classes must be mutually exclusive. IV. The classes ..

Identify the error in constructing frequency distribution table. Class Frequency 53 - 57 8 58 - 62 4 68 - 71 3 72 - 77 1 => The number of classes are less than 5 or The classes are not continuous or The width of the classes are not equal or All of the above..

The frequency distrubution table shown here is incorrectly constructed. State the reason. Class Frequency 7 - 12 3 13 - 18 1 19 - 24 4 25 - 30 6 31 - 36 2 => The upper and lower class limits should be even numbers. or The class width should be an odd number. ..

A frequency distribution of the duration of telephone calls monitored at the local telephone exchange are shown. Length of calls(minutes) Number of calls 2.5 - 4.5 10 4.5 - 6.5 15 6.5 - 8.5 30 8.5 - 10.5 15 Construct a frequency polygon and ogive for the data. => Graph 1, G..

It consists of two dees or D-shaped metal chambers D 1 and D 2 . The dees are separated by a small distance. The two dees are perpendicular to their plane. P is the position where the ion source is placed. The dees are maintained to a potential difference whose polarity alternates with the same h..

Using the histogram, construct a frequency polygon. => Graph 1 or neither Graoh 1 nor Graph 2 or Graph 2 or both Graph 1 and Graph 2..

The velocity (m/sec) of water flow in a pipe of 25 m diameter for consecutive days of a month are observed as: 1.5 1.5 1.6 1.4 1.5 1.4 1.6 1.4 1.5 1.3 1.4 1.3 1.4 1.5 1.7 1.6 1.5 1.5 1.5 1.4 1.3 1.5 1.5 1.6 1.7 1.5 1.4 1.4 1.4 1.5 Find the class boundaries for the last class by constructing..

The frequency distribution of the highest temperatures (in °F) in 50 states during a season is shown. Find the percentile rank for a temperature of 117.5°F by constructing a percentile graph. Temperatures Number of states 99.5 - 104.5 2 104.5 - 109.5 8 109.5 - 114.5 18 1..

Frequency Distribution - A teacher gave a test to a class of 26 students. The maximum mark is 5. The marks obtained by the pupils are: Such data as above is called ungrouped (or raw) data. We may arrange the marks in ascending or descending order. The data so represented is called an arra..