I just checked and the answer should be 3786.25
Answer:
2nd option, 44 cm
Step-by-step explanation:
QT = 2×SU = 2×22 = 44 cm
Since it's the midsegment, US is the half of QT
Answer:
2.52
Step-by-step explanation:
An automobile manufacturer claims that its van has a 27.6 miles/gallon (MPG)
So, 
n = 210 vans
x = 28

Formula of test statistic = 


Hence the value of the test statistic is 2.52