Answer:
t-test for difference in slopes
no association exists
Step-by-step explanation:
t-test can be used to determine signifiance in difference in slopes of of fit vs time and not fit vs time graph
The data shows that as number of hours spent watchnig television increases, there is no increasing or decreasing trend in number of people fit or not fit. The number of people fit or not fit seems to be distributed around 629 for 1-2 hours of watching television. There trend is not consistent in both cases with increasing number of hours
It will take 15 hours to mow 9 lawns
Answer:
c) XY > RS
= true
Step-by-step explanation:
Firstly know the meaning of each sign given
> means <u>is greater than</u>
= means <u>is equal to</u>
a)XZ > ST
XZ = 8
ST = 11 - greater
= false
b) XY = RS
Due to the angles presented, we conclude that the greater the angle, the longer the unmeasured line.
XY is longer than RS
= false
c) XY > RS
= true
d) RS > XY
RS is shorter than XY hence not greater.
= false
Ok; Since we know that in 45 min, she can walk 3 miles, we can divide it to see how many minutes it takes for her to walk 1 mile. 45 divided by 3 is 15. Which means it takes her 15 minutes to walk 1 mile. If we look back at the beginning, it says she takes 15 minutes. Now that we know that it takes her 15 minutes to walk 1 mile, the answer is that it takes her 1 mile to walk to the library.
Answer:
More earn this summer per month = $30 more
Entire summer earning (for 2.5 months) = $1950
Step-by-step explanation:
For 2.5 months, you got 1875 dollars, so per month salary is:
1875/2.5 = $750 per month
This summer, you got a 4% raise, that means:
4% = 4/100 = 0.04
The raise is:
0.04 * 750 = $30 raise
So, new monthly salary is:
750 + 30 = $780
So, assuming you will work 2.5 months again this summer, you total earnings would be:
2.5 * 780 = $1950
