The mean of the following distribution is ______. xi10131619fi2576
15.2
15.35
15.55
16
xififixi1022013565167112196114∑fi=20 ∑fixi=311
Mean = ∑fixi∑fi = 31120 =15.55
If the mean of the following data is 17 then the value of p is ___ .
xi10p182125fi1015799
Calculate the mean and median for the following continuous frequency distribution. Classfi 0−10610−20820−302030−402540−501550−601060−704
Find the value of k if the mean of the following data is 17. xi1014182125fi1015k99
Which of the following are the possible ages of 27th and 32nd observations in the given grouped distribution in increasing order of age? All the persons (observations) part of the distribution have exact integral ages.
Age less thanNumber of people15316111721183119362040
The approximate speed of some vehicles are given below. Draw a bar graph to represent them. Name of objectsBicycleScooterCarBusTrainSpeed [in km/hr]1040605080 [3 MARKS]