The following data set shows the frequencies of the grouped scores for the 2008 Masters Golf competition. Final Score Frequency 280--283 2 284--287 8 288--291 14 292--295 296--299 300--303 2 Calculate the sample variance and standard deviation for the golf scores during the competition.

Below is a random sample of measured verbal IQ (IQV) scores from 20 children.   61 82 70 72 72 95 89 57 116 95 82 116 99 74 100 72 126 80 86 94   Include appropriate titles and labels as you complete the following:  Construct a stem and leaf plot for the data.  Find the mean, median, & mode of the data. Find the range, variance, and standard deviation of the data.

Listed below are the amounts (dollars) it costs for marriage proposal packages at different baseball stadiums. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are there any outliers, and are they likely to have much of an effect on the measures of variation? 38 50 50 60 60 95 95 145 180 219 255 375 500 2000 3000 The range of the sample data is (Type an integer or a decimal. Do not round.)

Calculate the range, variance and standard deviation for the following sample data. Scores: 10, 7, 9, 1, 2, 0, 6​