You score 93, 83, 86, 92, and 76 on five science exams you want to show your parents how well you were doing in class should you use the median mean or the mode explain your teacher wants to encourage you to work harder which measures should you teach your use

Mean

Step-by-step explanation:

The median gives you the middle score, but it does not give what you really want, the average grade that you have.

Mode is also valuable, but it only gives you which test score number you got most of, and gives no relations to more poorer or higher grades.

Mean is your best answer, for it takes all the answers and gives you the average grade by adding all numbers and dividing by the # of numbers there is.

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d. vertex

step-by-step explanation:

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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