The best approach to this is to use the formular
Standard error = standard deviation / sqrt( sample size)
standard deviation = 0.75 hours
sample size = 35
Hence, Standard error = 0.75 /sqrt(35) = 0.126 = 0.13
Answer:
60/7
Step-by-step explanation:
4/1 x 15/7 =8 4/7 = 60/7
Answer:
$8 16 24 32 40 48 56 64 72 80
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4 8 12 16 20 24 28 32 36 40
Step-by-step explanation:
Answer:
x = 9; y = 1
Step-by-step explanation: