Variable is a letter next to a number whether it’s x or y it can be any letter really but main ones is x and y and data is something written down from an oberservartion whether it’s an experiment or table etc.
Answer:
They were inspired by the example of the US
Answer:
Yes
Explanation:
The z score is a score used in statistics to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:

For a normal distribution with a mean of μ and standard deviation σ, For any sample size (n) drawn from this population, the sample mean is normally distributed, with mean
and standard deviation
.
Hence given that a mean of μ = 20.6 years and standard deviation σ = 5.3 years, for a sample size of 100:
mean
and standard deviation
.
Answer:
Moreover, the U.S Census shows that the 2010 estimated Hispanic population in Texas was 9.7 million and increased to 11.1 million in 2017 with a calculated 18% change from the 2010 Hispanic population estimate.
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