WebIn a class test the sum of Gagans, marks inMathematics and English is 45 If he had 1 moremark in Maths and 1 less in English, the productof marks would have been 500 Find … WebJun 27, 2024 · In a class test the sum of gagans mark in math and eng is 45 if he had 1 more mark in maths and 1 less in english the product of marks would have been 50 - …
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WebOct 7, 2024 · In a class test, the sum of Arun's marks in Hindi and English is 30. Had he got 2 marks more in Hindi and 3 marks less in English, the product of the marks would have been 210. ... Test the hypothesis that the median typing speed of graduates is at least 60 words.(For data, refer to this question photo that is attached) WebAlso, the data will be in the form of a frequency distribution table with classes. Thus, the formula to find the mean in assumed mean method is: M e a n, ( x ―) = a + ∑ f d i ∑ f. Here, a = assumed mean. f i = frequency of ith class. d i = x i – a = deviation of ith class. Σf i = N = Total number of observations. new homes on james island sc
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WebApr 8, 2024 · Significance testing was performed with either the two-tailed Student’s t test or one-way ANOVA analysis of variance. Wilcoxon rank-sum tests (for two groups) were applied to determine confidence intervals. Nonparametric Wilcoxon rank-sum tests (for two groups) were also performed to confirm the results. WebNov 28, 2024 · The Mann-Whitney u-test (also known as the rank sum test) is used to assess whether two samples come from the same distribution. rank sum test. The rank sum test is a nonparametric test (t-test for independence) that compares means of two independent samples. Spearman rank correlation coefficient. WebIn a class test, the sum of Arun’s marks in Hindi and English is 30. Had he got 2 marks more in Hindi and 3 marks less in English, the product of the marks would have been 210. Find his marks in the two subjects. Answers (1) Lets Arun's marks in Hindi be x. Then marks in English = 30- x. So, marks in Hindi and English are (13,17) or (12,18). in the coming 5 years