Answer:
Step-by-step explanation:
15
Answer:
Kindly check explanation
Step-by-step explanation:
The hypothesis :
H0 : μ1 = μ2
H1 : μ1 > μ2
Given :
x1 = 21.1 ; n1 = 53 ; s1 = 1.1
x2 = 20.7 ; n2 = 46 ; s2 = 1.2
The test statistic :
(x1 - x2) / √[(s1²/n1 + s2²/n2)]
(21.1 - 20.7) / √[(1.1²/53 + 1.2²/46)]
0.4 / 0.2326682
Test statistic = 1.719
The degree of freedom using the conservative method :
Comparing :
Degree of freedom = n - 1
Degree of freedom 1 = 53 - 1 = 52
Degree of freedom 2 = 46 - 1 = 45
Smaller degree of freedom is chosen ;
The Pvalue from Test statistic, using df = 45
Pvalue = 0.0462
Pvalue < α ; Hence, there is significant evidence to conclude that average age of Gorka student is higher than Yaphoa.
If the lenght of a circle circumference is given by:
So the lenght of a semicircle circumference is given by the half of it:
Radius (R) = 12 ft
Answer = 12pi ft of fence.
Answer:
87.3
Upper bound87.35
Lower bound87.25
51.8
Upper bound 51.85
Lower bound51.75
Step-by-step explanation:
Take the tenth of a centimeter and divide by 2. .05. This is the error margin. The upper bound is .05 more then the pro final length and the lower bound are .05 less than the original
