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 then find the frequencies x and y. Marks: 0-10, 10 … 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) …
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 … WebQuestion: Marks obtained by male students in a class is normally distributed with mean of 65 and standard deviation of 5, while marks obtained by female students is normally distributed with mean of 68 and standard deviation of 14. Which of the following statements is TRUE? a. The peak of the normal curve for female is higher than male. b. The spread of …
WebApr 8, 2024 · For arranging the given data in table first we have to find the equal classes with the same range as given in question, then put in the formed table, so that to compare the marks given. In the table we have to draw three rows, one to mark another number of students and for the range given in the question. WebThe 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 \\ …
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. …
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 …
WebHere the average marks of 120 candidates are 35. The average marks of passed candidates are 39. The average marks of failed candidates are 15. Concept Used: Input = Output. … biography crossword puzzle clueWebJul 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 … biography coversWebTake Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly. Test Yourself. ... The average marks obtained by a class of 60 students is 65. The average marks of half of the students is found to be 85. The average marks of the remaining students is: 35. 45. 55. 65. B. 45. daily care hand sanitizer by my beauty spotWebMath 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. biography crispus attucksWebApr 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. … daily care for guinea pigsWeb 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. … biography crosswordWebApr 14, 2024 · Introduction Reasons for drug shortages are multi-factorial, and patients are greatly injured. So we needed to reduce the frequency and risk of drug shortages in hospitals. At present, the risk of drug shortages in medical institutions rarely used prediction models. To this end, we attempted to proactively predict the risk of drug shortages in … biography cube