frequency distribution table used for management

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..

Recognize the false statement(s). I. The numbers used to separate the classes, so that there are no gaps in the frequency distribution are called class limits. II. Class width for a class is found by subtracting the lower class limit from the upper class limit. III. Cl..

The frequency table shows the results from a poll conducted about reading the newspaper in the morning. Adult Child Reads 35 17 Does not read 12 23 Use the data to find P (Does not read Newspaper | Adult). => 12 / 17 or 12 / 87 or 12 / 40 or 12 / 47..

A survey of 47 selected distributions showed these number of days that the load took to reach the shipment from the day it was ordered. Days Frequency 1 - 4 12 5 - 8 8 9 - 12 15 13 - 16 5 17 - 20 7 Find the mean and the modal class of the data. => 9.39 and 9 or 9.39 and 9 - 12 o..

Mr. Craig made a frequency distribution for the scores secured by his students in a test. Score Number of students Below 75 9 76 - 80 19 81 - 85 3 86 - 90 5 91 - 95 3 96 - 100 1 How many students got more than 85 points? => 12 or 19 or 9 or 5..

The distribution of the ages of the members of a colony is as follows : Age Frequency 0 - 20 35 21 - 30 15 31 - 40 20 41 - 50 25 51 - 60 15 61 - up 10 If a person is selected at random, then find the probability that his/her age is less than 30 years. => 5 / 12 or 1 / 8 ..

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 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 scored ..

The observed frequencies in rolling a die 102 times are: Face 1 2 3 4 5 6 Observed Frequency 14 16 16 17 20 19 Using a significance level α = 0.05, find the chi-square test value and can you regard the die as a fair one? => 11.1, the die is fair or 1.412, the die is f..

The frequency table shows the school enrolment (in thousands) in the year 2000. Let E represents elementary school. Pre Primary Elementary or high school College or graduate school California 1101 6472 2557 New Jersey 303 1444 470 Use the table to find P(E). ..

The frequency table shows the school enrolment (in thousands) in the year 2000. Let N represents New Jersey and R represents Pre primary school. Pre Primary Elementary or high school College or graduate school California 1101 6472 2557 New Jersey 303 1444 470 Use the h..