(1.) Starting with the data values 70 and 100 add three data values to the sampl

(1.) Starting with the data values 70 and 100 add three data values to the sample so that the mean is 87 the median is 88 and the mode is 88.(2.) A class of 15 kindergarteners had the following weights in pounds: 36 48 40 49 53 44 49 40 51 52 50 35 44 48 43 Find the mean variance and standard deviation.(3. ) An aptitude test has a mean of 44 and standard deviation of 7. Find the corresponding z scores for: a test score of 111 a test score of 153(4.) Nine households had the following number of children per household: 4 5 4 4 1 3 8 5 1 Find the mean median mode range and midrange for these data.(5.)You are given the following data. xy211319445195271476 Find: SS(x) SS(y) SS(xy) The linear correlation coefficient r The slope b1 The y-intercept b0