mean value theorem

The difference between the greatest value and the least value of the numbers in a set of data is called ________. => range or mode or median or mean..

Which of the following statement(s) is/are true? I. If a student secured 75th percentile in an exam, then it means that he scored 75 out of 100. II. A statistic that tells the number of standard deviations a data value is above or below the mean is called z score. III...

The average of data values in a data set is called _______. => range or mean or mode or median..

In a survey, it was found that the average number of classes missed by 21 girls is 4 and that by 25 boys is 6, with the variances 6.2 and 5.4. Find the test value and check whether the mean number of classes missed by boys and girls is the same at α = 0.1. => 1.73, me..

The heights of a group of young women aged 16 - 25 years was found to be normally distributed with a mean of 62.4 inches and a standard deviation of 1.5 inches. For what value of height will the population of women be more than 15% . => 63 inches or 62 inches or 63.9 inches or 6..

Time taken for demonstrating an experiment in the lab for the groups of different number of students is shown. At α = 0.10, find the F test value and test the claim that there is a significant difference in the mean time taken. => 2.8, there is no difference or 6.2, there ..

A random sample of the number of students graduating from public institutions of higher learning is shown. At α = 0.05, find the F test value and test the claim that the mean number of students graduating are the same in all parts of the country. => 1.65, same or 2.96, sam..

The number of people attending a movie in three different theaters during the last one week is tabulated as shown. At α = 0.01, find the F test value and test the claim that the mean number of people attending the movie in each of the theaters are the same. => 6.01, same o..

The table gives the random sample of temperatures at three different places during a month. At α = 0.05, find the F test value and can it be concluded that the mean temperatures differ significantly across places? => 5.34, yes or 5.34, no or 3.47, no or 3.47, yes..

On an average it was found that 110 out of 400 students of one school and 100 out of 500 students of another school have eye sight problems. If the variances are 60 and 73, find the P - value and verify if the mean number of students with eye sight problems of both the schools d..