Solution :
<u>Sample size</u> <u> Sample mean</u> <u> Sample S.D.</u>
Sample 1

Sample 2

= 60
Therefore, significance level, α = 0.1
Critical value, t* = 1.6706
So, the margin of error, 
= 559.9896
Lower limit, 
Upper limit, 
Therefore 90% C.I. is (44402.0104, 55597.9896) or 
Answer:
478
Step-by-step explanation:
559.45-457.41=102.04
102.04/559.45*100
approximately 478
Answer:
hiuu ui9i io9
Step-by-step explanation:
iu9uj k
1400000000000000000000000
Answer:
Step-by-step explanation:
slope=2/3
y=2/3 x
or y=2/3 x+0
y -intercept=0