In the space below, 1) Indicate the variable type for each of the following variables in the data set by categorizing each variable as nominal, ordinal, equal-interval, or ratio, and
2) Explain the rationale for each categorization.
(6 pts total: .5 for each variable type, .5 for each rationale)
Exercise
Diet
Age Range
Weight change
Quality of Life
Intervention

33

step-by-step explanation: g=6

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation:

-60.75

step-by-step explanation:

just add the numbers then put the negative sign on it