frequency distribution

The net worth (in millions of dollars) of 30 business units in a city are shown in the frequency distribution. Net worth Frequency 15 - 25 3 26 - 36 10 37 - 47 12 48 - 58 5 Find the mean and the mode of the data and compare them. => 38, 37, mean > mode or 284.75, 28..

The blood urea nitrogen (in milligrams per deciliter - mg/dl) count of 20 randomly selected patients is shown in the frequency distribution table. Blood urea nitrogen Frequency 11 - 13 3 13 - 15 4 15 - 17 3 17 - 19 5 19 - 21 5 Find the variance and standard deviation. ..

The data represents the lengths (recorded to the nearest millimeter) of 40 leaves picked for an experiment. Form an appropriate frequency distribution. Find chi-square test value and check if the variable shown in the frequency distribution is normally d..

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..

The number of people of different age groups visiting a recreation club in a town are as shown in the frequency distribution table. Age group Number of people 10 - 15 9 15 - 20 22 20 - 25 35 25 - 30 28 30 - 35 31 35 - 40 17 Find the mean of the data. => 26.06 or 142 or 616.67 or..

A survey was conducted in a city to find the number of people (in %) of different age groups who did not complete their high school. The results are as shown in the frequency distribution table. Age group Percentage of people 25 - 34 12 35 - 44 18 45 - 54 23 55 - 64 37 65 - 74 4..

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 ..

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 ..

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..

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..