In a class test marks obtained by 120
WebIn 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. Solution ∑fi = 90+x+y But ∑fi = 120 [Given] ∴ 90+x+y =120 x =120−90−y= 30−y …(i) M ean =A+ ∑fidi ∑fi … WebApr 10, 2024 · By Dylan Scott @dylanlscott Apr 10, 2024, 7:30am EDT. The ADHD drug Adderall is still experiencing a shortage in the US, six months after the FDA first announced the inadequate supply. Getty ...
In a class test marks obtained by 120
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WebDec 27, 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 … WebIn a class test, the sum of the marks obtained by P in mathematics and science is 28. Had he got 3 more marks in mathematics and 4 marks less in science, the product of marks obtained in the two subjects would have been 180. Find the marks obtained by him in the two subjects separately. Solution
WebUse Graph Paper for this Question. the Marks Obtained by 120 Students in an English Test Are Given Below : Draw the Ogive and Hence, Estimate: (I) the Median Marks. 0 CISCE ICSE Class 10 WebJul 9, 2024 · The mark obtained by 120 students in a test are given below: Marks 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100. Draw an ogive for the given …
WebMath Statistics The following table shows the marks obtained by 120 students of class IX in a cycle test-1. Draw the more than Ogive curve for the following data : Marks 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100 No. of 2 6. 8 20 30 22 18 4 2 students Also, find (i) The Median (ii) The Number of students who get more than 75 marks. WebApr 7, 2024 · So, we can say that $40\% $ of the students has failed the test. So, in the ascending order, we can say that the mark after the $40\% $ of the entry is the minimum marks obtained by the pass student. Now we can find the class at which the required term lies. $ \Rightarrow N = 40\% \times n$ It is given that the marks are of 50 students.
WebApr 3, 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. …
WebJun 1, 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, then find the missing frequencies x and y. CBSE 2015 Marks... iphone se musiciphone se neuf promoWebFeb 4, 2024 · The marks obtained by 120 students in a test are given below : Draw an ogive for the given distribution an a graph sheet. Use suitable scale for ogive to estimate the … iphone se nach update schrottWebJun 13, 2024 · Question: The marks obtained by 120 students in mathematics test is given in the following distribution: The number of students in the mark groups 20-40 and 60-80 are f1 and f2 respectively. Find f1 and f2 if the mean marks is 50. Solution: Answered by Renu Varma 09 May, 2024, 12:59: PM Application Videos orange glo 4 in 1 cleaner and polishWebSolution: Class- mark = (Upper class limit-lower class limit)/2 = (150 + 140)/2 = 290/2 = 145 Thus we can create a new table with class-mark. Now with these class marks we can plot the frequency polygon as shown below. Measure of central tendency (Mean, Mode and Median) Mean: The average of number of observations given. orange glo wet \u0026 dry cleaner padWebAug 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. … iphone se neuf fnacWebThe marks obtained by 120 students in a mathematics test is given below: $$\begin {tabular} { l l } \hline Marks & No. of students \\ \hline $0-10$ & 5 \\ \hline $10-20$ & 9 \\ \hline 20-30 & 16 \\ \hline 30-40 & 22 \\ \hline 40-50 & 26 \\ \hline 50-60 & 18 \\ \hline 60-70 & 11 \\ \hline 70-80 & 6 \\ \hline 80-90 & 4 \\ \hline $90-100$ & 3 \\ … iphone se nay