Scores obtained by 10 students in English and Mathematics are displayed here.(iii)Comment on the scattering or spreading of the above data (scores in english and scores in maths) using standard deviation.

Scores obtained by 10 students in English and Mathematics are displayed here.(i)Calculate arithmetic mean of scores in English.

Scores obtained by 10 students in English and Mathematics are displayed here.(ii)Compare the arithmetic means of scores in English and Mathematics.

The scores of a batsman in 10 matches are as follows 38,70,48,34,42,55,63,46,54,44 . find standard deviation.

3.5 ml ethyl acetate was added to a flask containing 100 ml of 0.1 M HCI placed in a thermostat maintained at 30^(@) C 5 ml of the reaction mixture was withdrawn at different interval of time and after chilling titrated against standard NaOH the following data were obtained Time (minutes) 0 75 119 183 infty NaOH used (mL) 9.62 12.10 13.10 14.75 21.05 From the above data show that the hydrolysis of ethyl acetate is a first order reaction

Ina school kalotsva 10 students participated in english recitation competition.The scores obtained by them are given below:13,15,16,15,18,15,14,18,17,10.(i)Find the mean score.

In a class, in an examination in Mathematics, 10 students scored 100 marks each 2 students scored zero and the average of the remaining students is 72 marks. If the class average is 76, then the number of students in the class is

The following is the record of goals scored by team A in a football season.For the team b mean number of goals scored per match was 2 with a standard deviation of 1.25 goals. Find which team may be consider more consistent using coefficient of variation.

Ina school kalotsva 10 students participated in english recitation competition.The scores obtained by them are given below:13,15,16,15,18,15,14,18,17,10.(ii)Find the mean deviation about the mean.