The scores listed below are the results from students taking a dexterity test. what is the 75th percentile of these scores? 1, 1, 1, 1.5, 2, 2, 2, 2.5, 3
a 2
b 2.25
c 2.5

75th percentile is:

B 2.25

Step-by-step explanation:

We are given a list of scores:

    1, 1, 1, 1.5, 2, 2, 2, 2.5, 3

Now, we have to calculate the 75th percentile

P(k) i.e. kth percentile is calculated as

    th observation

where n is the total number of obsevations

Here n=9  and k=75

so, P(75)=   th observation

             =     th observation

            =  7.5 th observation

           =   (2+2.5)/2

           =   2.25

Hence, 75th percentile is 2

Hence, option B is correct

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step-by-step explanation:

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60

step-by-step explanation:

every triangle measures a total of 120 degrees. you have to find angle c. we know that isosceles triangles angles are equal. 60 degrees plus 60 degrees gives you 120.