For Question 28 and 29, we can get the values directly using R software using the commands as shown below:
Q28 : Thus, the median = 215.0 (rounded upto 1 decimal place)
Q29 : variance = 28.8 (rounded upto 1 decimal place)
Q30.
Average weight of Jackie and his four sisters = 139.1 lb
Total weight of Jackie and his four sisters = 5*139.1 lb = 695.5 lb
Weight of Jackie
= Total weight - (Sum of weights of 4 sisters)
= 695.5 - (114+140+120+129) lb
= 192.5 lb
Q24,
Range for the mechanic data
= Maximum value - Minimum Value
= $32.95 -$18.95
=$14 (rounded to nearest dollar)
Q25.
Central Angle for the written sector
= Percentage corresponding to written sector * 360 degrees
=(9/100)*360 degrees
=32.4 degrees (rounded to nearest tenths)
Find the median of the set of data. (Round your answer to one decimal place.) 230,...
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