Math Chapter Wise question with answer

Q01 The standard deviation of the first n natural numbers is– English · KVS TGT 2017 Q02 If the standard deviation of the numbers 2, 3, a and 11 is 3.5 then which of the following is true? English · EMRS PGT-2023 Q03 The median and Standard Deviation (S.D.) of a distribution are 20 and 4 respectively. If each item of the distribut... English · NVS PGT 2022 Q04 Marks of a chemistry test follow a normal distribution with a mean of 65 and a standard deviation of 12. Approximat... English · DSSSB PGT 2021 Q05 If x is a binomial variant with p = 1/5, for the experiment of 50 trials, then the standard deviation is equal to: English · OAVS TGT 2019 Q06 For a certain type of mobiles, the duration of time between charges of the battery is normally distributed with a m... English · OAVS TGT 2019