As the number of hours spent working increases, the amount of time spent on video games decreases.
Going from left to right, we see that the points are moving down. This means that the hours working are going up and the video game hours are going down.
The standard deviation of a particular sample is equal to the standard deviation divided by the square root of the sample size. That is,

The mean of a particular sample is equal to the mean of the set the sample was taken from. That is,

Answer:
9+12=21
hope this helps!!
Step-by-step explanation:
mopeds; 3x3=9 + scotters 6x2=12
hope this helps!!
Answer:
7707 tickets
Step-by-step explanation:
From the question we know that:
the number of tickets sold at the counter on
First day = 1094 tickets
Second day = 1812 tickets
Third day = 2050 tickets
Fourth day = 2751 tickets
The total number of tickets sold on all the four days is calculated as:
(1094 + 1812 + 2050 + 2751)tickets
= 7707 tickets