WebDec 10, 2024 · Solution For In a class test, marks obtained by 120 students are given in the following frequency distribution. If it is given that mean is 59 , then In a class test, marks … WebAug 9, 2024 · In a class test, marks obtained by 120 students are given in the following frequency distribution. If it is given that mean is 59, find the missing frequencies x and y. …
In a class test, marks obtained by 120 students are given …
WebThe marks obtained by 120 students in a test are given below: Draw an ogive for the given distribution on a graph sheet. Use a suitable scale for ogive to estimate the following: (1) … Web In a class test, marks obtained by 120 students are given in the following frequency distribution. If it is given that mean is 59, find the missing frequencies x and y. Marks No. of students 0−10 1 10−20 3 20−30 7 30−40 10 40−50 15 50−60 x 60−70 9 70−80 27 80−90 18 90− 100 y Please scroll down to see the correct answer and solution guide. optics research universities in germany
The marks obtained by 120 students in a test are given …
WebThe results of the survey are shown below. Ludmila decides to use the test at the level of significance to determine whether the choice of language is independent of gender. State Ludmila’s null hypothesis. Markscheme Choice of language is independent of gender. (A1) Notes: Do not accept “not related” or “not correlated”. [1 mark] χ2 ... WebApr 11, 2024 · 3.3. Cytotoxic Activity of B. micrantha 3.3.1. Cytotoxicity on RAW 264.7 Cells. Table 2 presents the results of the cytotoxicity test on RAW 264.7 macrophage cells. It emerges from this table that the aqueous and ethanol extracts had no significant activity on the RAW 264.7 macrophage cells with of μg/ml and μg/ml for aqueous and ethanol … WebApr 7, 2024 · The total number of marks obtained by $120$ students= total number of candidates × average marks of those students=$120 \times 35 = 4200$ ... If A1A2 are the … optics rifle scope