Answer:

Step-by-step explanation:
the mean is given by:

In our case this is:

side note: the main difference between sample mean and population mean is in the 'context'. However, the method to calculate them is the same.
By context I mean: if this the items are taken from some larger category for example: the ages of a few 'students' from a 'class'. Here 'students' are the sample from a larger set that is 'class'. The mean of the 'few students' will be called sample mean. In contrast, if we take the mean of the ages of the whole class then this is called population mean. (population mean == mean of the whole set)
In our case we aren't told exactly where these numbers come from, is this the whole set or a sample from it, the lack of context allows us to assume that the mean can either be population mean or sample mean. So we can safely use any symbol
or
.
Answer:
2
Step-by-step explanation:
even tho this is a very hard question it is 2.
Answer:
Step-by-step explanation:
i need indivdual prices to make an equation for the proper answer.
Answer:
switch I think cuz there is a negative
Step-by-step explanation:
Hope u have a nice day
In this section, we discuss box-and-whisker plots and the five key values ... The key values are called a five-number summary, which consists of the minimum, first quartile, ... the set is put into increasing order, divides the data into two equal parts. ... First, we put the values in the data set into increasing order: 3, 5, 7, 8, 12, 13, ... The middle score for a set of data that has been arranged in order from least to ... A box-and-whisker plot shows the distribution of a set of data along a ... Quartiles are values that divide a set of data into four equal parts. ... Second Quartile ( designated Q2) also called the median or the 50th percentile (cuts data set in half ).