In a management class of 100 students' three languages are offered as an additional subject viz. Hindi, English and Kannada. There are 28 students taking Hindi, 26 taking Hindi and 16 taking English. There are 12 students taking both Hindi and English, 4 taking Hindi and English and 6 that are...

What does it mean for a sample to have a standard deviation of s=5? Describe the score in such a sample (describe where the scores are located relative to the sample mean.)

Hi, Is it possible to have different results when comparing a test statistic with critical value and when comparing p value with the level of significance? For example, I do not reject the null when comparing test statistic with critical value. BUT I reject the null when comparing p value...

Define population and sampling unit for selecting a random sample in each of the following cases. a) Hundred voters from a constituency b) Twenty stocks of National Stock Exchange c) Fifty account holders of State Bank of India d) Twenty employees of Tata motors.

A study of long distance phone calls made the corporate offices of a company showed the calls follow a normal distribution. The mean length of time per call was 4.2min and the standard deviation was 0.60min. a) What fraction of the calls last between 4.2 and 5 minutes:) b) What fraction of the...