What is the range of the data below 33, 38, 35.5,39.25, 31.75​

1.25

Step-by-step explanation:

7.5

Step-by-step explanation:

you put all numbers from least to greatest then you get the small nd big number nd subtract them

31.75, 33, 35.5, 38, 39.25

39.25 - 31.75 = 7.5

can i see the following ?

step-by-step explanation:

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: