Answer:
The standard deviation of the population is 4.82 years.
Step-by-step explanation:
Mean = summation of all ages ÷ number of doctors = (40+44+49+40+52) ÷ 5 = 225 ÷ 5 = 45 years
Population standard deviation = sqrt[sum of squares of the difference between each age and mean ÷ number of doctors] = sqrt[((40 - 45)^2 + (44 - 45)^2 + (49 - 45)^2 + (40 - 45)^2 + (52 - 45)^2) ÷ 5] = sqrt[(25+1+16+25+49) ÷ 5] = sqrt[116 ÷ 5] = sqrt(23.2) = 4.82 years
Answer:
-13
Step-by-step explanation:
it's right but i hope i helped u'r welcome
Step-by-step explanation:
I gallon is 4 quart so it would be 4+2=6
Answer:
y = 1/5x + 3
Step-by-step explanation:
parallel lines have the same slope
y = 1/5x + b
4 = 1/5(5) + b
4 = 1 + b
b = 3
y = 1/5x + 3
Answer:600
Step-by-step explanation: you multiply 3 times 300 equals 900 and you multiply 2 times 300 equals 600