frequency distribution table

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 call..

On the annual day function of a school, chocolates were bought to be distributed among the students of 6, 7, 8 and 9 grades. The frequency table shows the number of chocolates that were distributed among the students of different grades. How many chocolates d..

80 randomly selected batteries were tested to determine their lifetime (in hours). The following frequency distribution was obtained. Lifetime of batteries Frequency 63.5 - 74.5 10 74.5 - 85.5 15 85.5 - 96.5 22 96.5 - 107.5 17 107.5 - 118.5 11 118.5 - 129.5 5 Find the ..

Cumulative frequency is obtained by adding the frequency of a class interval and the frequencies of the preceding intervals upto that class interval. This is explained by an example below. The following frequency distribution table gives t..

The HR manager for a company asked its employees to give the details about their residing places. The details obtained by him are categorized into places as recorded: A = Atkinson Square, C = Caribbean Point, D = Dream Valley, E = Environ Enclave, T = Township, M = Montessori Enclave. A T E C A M D..

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..

The frequency distribution shown here illustrates the number of goals scored by country X in the last 30 matches. Number of goals scored Number of matches played 0 12 1 8 2 2 3 3 4 or more 5 If a match is selected at random, then what is the probability that the number of goals ..

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..

The daily water consumption (in m 3 ) of 25 different textile mills recorded by the Water Authority is shown. 2400 2700 1100 1830 2200 2250 1400 1720 2620 1580 1640 2100 1360 1750 2600 1440 1900 2520 1700 1210 2300 2050 1500 1990 2320 Identify the frequency of each class by constructing a..

The frequency distribution for the rainfall readings (millimeters) of 60 selected cities is shown. Select the percentile graph for the data. Rainfall range Number of cities 0 - 2 18 2 - 4 12 4 - 6 7 6 - 8 13 8 - 10 10 => Graph 1 or Graph 2 or both Graph 1 & Graph 2 or none of th..