18.) When using the summation notation, the symbol \"S\" tells us to add all val

Question

18.) When using the summation notation, the symbol "S" tells us to add all values in the expression which follow it?

True

False

17.)

The relative frequency in each class of a relative frequency distribution is the frequency in each class of a frequency distribution divided by the total number of frequencies in the distribution?

True

False

15.) The mean computed from grouped data (data displayed in a frequency distribution) is calculated assuming the value of all the data observations in each class can be approximated using the midpoint value of each respective class?

True

False

Explanation / Answer

18.) When using the summation notation, the symbol "S" tells us to add all values in the expression which follow it?

false, that is only the symbol that represent a summation notation

17.)

The relative frequency in each class of a relative frequency distribution is the frequency in each class of a frequency distribution divided by the total number of frequencies in the distribution?

TRUE

15.) The mean computed from grouped data (data displayed in a frequency distribution) is calculated assuming the value of all the data observations in each class can be approximated using the midpoint value of each respective class?

TRUE

TO FIND THE MEAN IN GROUPED DATA WE CAN USE THE MIDPOINT VALUE OF EACH CLASS

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