WebJan 18, 2024 · Draw on give of the given distribution using a graph sheet. Take 2 cm =10 kg on one axis and 2 cm =5 workers along the other axis. Use a graph to estimate the following: (i) the upper and lower quartiles (ii) if weight 95 kg and above is considering find the number of workers who are overweight. [2015] Answer: Below the table WebMar 22, 2024 · Finding Mode Mode = l + (𝒇𝟏 − 𝒇𝟎)/ (𝟐𝒇𝟏 − 𝒇𝟎 − 𝒇𝟐) × h Modal class = Interval with highest frequency = 125 – 145 where l = lower limit of modal class h = class-interval f1 = frequency of the modal class f0 = frequency of class before modal class f2 = frequency of class after modal class Putting values in formula Mode = l + (𝑓1 −𝑓0)/ (2𝑓1 −𝑓0 −𝑓2) …
Mean Formula Formulas, Methods and Solved Examples
WebNov 17, 2024 · The marks obtained by 5 students in a class test are 7, 9, 6, 4, 2 out of 10. Find the mean marks for the class? According to the formula mean marks of the class are: Average marks = Sum of observation / Number Of Observation. Here average marks = (7 + 9 + 6 + 4 + 2) / 5 = 28 / 5 = 5.6. Hence the mean marks for the class is 5.6. WebOct 19, 2024 · How to Find the Mean Take these two steps to calculate the mean: Step 1: Add all the scores together Step 2: Divide the sum by the number of scores used As an example, imagine that your psychology experiment returned the following number set: 3, … harrington industrial plastics zoominfo
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WebMar 30, 2024 · Question 31 The median of the following data is 16. Find the missing frequencies a and b, if the total of the frequencies is 70.Given ∑ 𝒇𝒊 = 70 Finding Cummulative Freq. Since Median = 16 15 – 20 is median class Median = l + (𝑛/2 −𝑐𝑓)/𝑓 × h Where l = lower limit of median clas WebTo find: Mean of marks obtained by 8 students Marks obtained by 8 students in class test = 12, 14, 16, 18, 20, 10, 11, and19 (given) Total marks obtained by 8 students in class test = (12 + 14 + 16 + 18 + 20 + 10 + 11 + 19) = 120 Using the mean formula, Mean = (Sum of Observation) ÷ (Total numbers of Observations) = 120/8 = 15 WebSep 28, 2024 · To find the mean value, we use the mean formula, which calculates the average of the given data. It is calculated by dividing the sum of all observed data values by a number of observed values. The mean formula is given by Mean = (Sum of observed values in data)/ (Total number of observed values in data) harringtonine run-off assay