SAT, 27.12.2021 21:10 Brookwiggington8814
Emi computes the mean and variance for the population data set 87, 46, 90, 78, and 89. She finds the mean is 78. Her steps for finding the variance are shown below. Sigma squared = startfraction (87 minus 78) squared + (46 minus 78) squared + (90 minus 78) squared + (78 minus 78) squared + (89 minus 78) squared over 5 endfraction. = startfraction 9 squared minus 32 squared + 12 squared + 0 squared + 11 squared over 5 endfraction. = startfraction 81 minus 1,024 + 144 + 0 + 121 over 5 endfraction. = startfraction negative 678 over 5 endfraction. = negative 135. 6 what is the first error she made in computing the variance?.
Answers: 1
SAT, 23.06.2019 07:00
After rain, water soaks into the ground and is added to the groundwater. this process is known as a. groundwater pollution. b. groundwater recharge. c. groundwater recycling. d. groundwater filtration.
Answers: 1
SAT, 25.06.2019 19:30
Berikan satu kepentingan terhadap komposisi udara di atmosfera bumi
Answers: 1
SAT, 27.06.2019 07:00
28. the new systematic nomenclature was so ( that many chemists preferred to ( the older trivial names that were at least shorter. at least, that is the ostensible reason. actually, tradition seems to carry more weight than ( with some scientists.
Answers: 1
Emi computes the mean and variance for the population data set 87, 46, 90, 78, and 89. She finds the...
Mathematics, 09.03.2021 04:50
World Languages, 09.03.2021 04:50