What is (3i)(-8i)(3+2i)
1 answer:
You might be interested in
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.
Answer:
Please see picture below.
Step-by-step explanation:
Answer:
or
Step-by-step explanation:
The given absolute value inequality is
Divide both sides of the inequality by -2 and reverse the inequality sign:
By the definition of the absolute value function;
Either or
Divide through the rightmost inequality by -1 and reverse the sign.
This implies that:
or