Which statement best describes the expression 2 + 3 ÷ y?
2 answers:
Answer:
A. The sum of 2 and the quotient of 3 and y.
Step-by-step explanation:
We have been given an expression: . We are asked to choose the correct statement about our given expression.
We will use order of operations (PEMDAS) to answer our given problem.
P = Parenthesis.
E = Exponent.
M = Multiplication
D = Division
A = Addition
S = Subtraction
According to order of operations division comes before addition, so our expression will be: , which is the sum of 2 and the quotient of 3 and y.
Therefore, option A is the correct choice.
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Answer:
(a) 12.87; 14; 18; (b) median
Step-by-step explanation:
(a) Statistics
(i) Mean
The mean is the sum of all the data points divided by the number of points.
(ii) Median
The median is the middle value in your list of observations.
0, 2, 3, 12, 12, 13, 14, 14, 15, 15, 18, 18, 18, 19, 20
Median = 14
(iii) Mode
The mode is the value that appears most often in your list of observations.
0, 2, 3, 12, 12, 13, 14, 14, 15, 15, 18, 18, 18, 19, 20
Mode = 18
(b) Most representative measure
The mean is dragged down by three low values. The median is the measure that is most representative of the data.
The histogram below shows the distribution of your data.
