The following data set is A population ⇒ answer A
Step-by-step explanation:
Lets revise the definition of each choice
1. A population, is a discrete group of people, animals or things that
can be identified by at least one common characteristic for the
purposes of data collection
2. A sample is just a part of a population
3. The parameter is a fixed measure which describes the target population
Parameter is a fixed and unknown numerical value
4. A statistic is a characteristic of a small part of the population
The statistic is a variable and known number which depend on the
sample of the population
∵ All of the teachers in Gwinnett County Public Schools fill out the
survey
∴ The data set is population
The following data set is A population
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7.12^2 = 24in^2
8.put 400 for each x and see what is close to the nearest tenth
9.u reverse it 6-9=? then square root ?
and 10. u do the same as nine and 1 more number to subtract
Answer:
They're all like terms (x)
Answer:
D. a = 60 and b = 58.8
Step-by-step explanation:
Z-score:
In a set with mean 
and standard deviation 
, the z-score of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.
Z-score for data point a is 0.
This means that a is the mean, that is, a = 60.
The z-score for data point b is -0.4.
This means that b must be a value below the mean, that is, a value below 60.
The option that satisfies a = 60 and b < 60 is option D, which is the answer.
The slope for this equation is x=3
