Calculate the mean and Standard deviation for the following distrībution of lengths of 200 metal bars. 30 31 32 33 34 35 36 37 38 23 35 18

The table below gives the number of hours spent watching TV last week by a sample of 24 children. 83 49 57 34 55 78 43 53 69 22 23 50 20 80 70 22 26 22 31 30 51 79 93 19 Range = Standard Deviation = Round your answers to the nearest hundredth as needed.

Both sets of values have an average of 13. Is set As standard deviation smaller, larger, or about the same as set abs? set A: 1 2 3 23 24 25 set B: 8 10 12 14 16 18

The highway speeds of 100 cars are summarized in the frequency distribution below. Find the estimated mean speed. Speed (mph) 30-39 40-49 50-59 60-69 70-79 Cars 3. 16 50 18 13 O A. 59.5 mph O B. 62.4 mph O C. 22.8 mph O D. 56.7 mph

The table below gives the number of hours spent watching TV last week by a sample of 24 children. 31 28 60 63 33 75 73 87 46 82 70 50 47 50 39 83 25 73 33 74 87 85 97 12 Range = Standard Deviation =

How long do people spend travelling to work?the answer may depend on where they live.here are the travel times in minutes for 15workers in north Carolina.chosen at random by census bureau: 5 10 10 10 10 12 15 20 20 25 30 30 40 40 60 What is the standard deviation for travel time for these 15north Carolina workers

Find the mean of the data summarized in the given frequency distribution table below.  Score students  50-59 5 60-69 8 70-79 5 80-89 5 90-99 17

Find the mean, IQR and standard deviation in the set of numbers below 0 0    0    1   4   79    255    580  1,070   1,969   2,215   2,139  2,532   2,816   2,782  1,742   931   1,053

Using your calculator, find the range and standard deviation, round to two decimals places:The table below gives the number of hours spent watching TV last week by a sample of 24 children. 90 50 46 31 52 83 51 90 72 47 25 57 53 62 65 89 35 49 32 21 77 30 91 13 Range = Standard Deviation =