swello1937
16.10.2020 •
Mathematics
Problem 4. Janet spent $100 on books. This was k dollars less than five times what she spent on lunch. How much did she spend on lunch? What is the equation? Here is the solution
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Ответ:
Therefore the shortest man of 65.6 cm was more extreme.
Step-by-step explanation:
A z-test is a statistic test. It is used to determine whether two population mean are different when the variances of the population are known and the sample size large.
z= the standarized z score
x = the height of sample
μ = mean = 172.27 cm
σ = standard deviation = 8.82 cm
For tallest
x = 259
≈9.83
For shortest
x= 65.6
≈ - 12.09
The most extreme value has a z score that the furthest from 0.
Since -12.09 is further from 0 than 9.83.
Therefore the shortest man of 65.6 cm was more extreme.