Answer:
x is-4,and ans for y is 1
Step-by-step explanation:
Answer: 5, -4, 2.6, and 100
Step-by-step explanation:
-2 because it’s positive 2 and on the graph it would have to be the opposite of the graph which is -2
All of them except TR and PH
<h2>
The city's PR manager was wrong because the mean score of all ninth graders in the city is 83.</h2>
Step-by-step explanation:
The given observations are:
81, 96 and 72
The total number of observations = 3
We know that,
Mean =
= 83
∴ The mean score of all ninth graders in the city = 83
The city's PR manager was wrong because the mean score of all ninth graders in the city is 83.