 Average – mean, median and mode are three “kinds” of average (commonly used to describe the mean).  Mean temperature – average temperature of the air.

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Presentation transcript:

 Average – mean, median and mode are three “kinds” of average (commonly used to describe the mean).  Mean temperature – average temperature of the air during a given time period, usually a day, a month, or a year.  Median – the middle value of a list of numbers.  Mode – the value that occurs most often. 1

 Average – mean, median and mode are three “kinds” of average (commonly used to describe the mean).  Mean temperature – average temperature of the air during a given time period, usually a day, a month, or a year.  Median – the middle value of a list of numbers.  Mode – the value that occurs most often. 2

 Average – mean, median and mode are three “kinds” of average (commonly used to describe the mean).  Mean temperature – average temperature of the air during a given time period, usually a day, a month, or a year.  Median – the middle value of a list of numbers.  Mode – the value that occurs most often. 3

Estimate the mean air temperature of the graph. What information did you use to make this estimate? 4

Using 10.5 as the maximum and -0.1 as the minimum values, Calculate the mean using these two values. How close are these means to your estimate? How do the data used in the calculations compare to data or information used in the estimate? 5

Calculate the mean. How accurate was your estimated mean? Which method of determining mean is more accurate? Why? 6

Estimate the mean air temperature of the graph. What information did you use to make this estimate? Why is it important to determine the mean temperature? 7

 Student question 4: Why is it important to determine the mean temperature? 8

What do you notice about one week of mean daily air temperature? Is there a visible trend? If so, what is the trend? 9

What do you notice about one month of mean daily air temperature data? Is there a visible trend? If so, what is the trend? 10

What do you notice about six months of mean daily air temperature data? Is there a visible trend? If so, what is the trend and why might it exist? 11

 What do you notice about one year of mean daily air temperature data? Is there a visible trend? If so, what is the trend and why might it exist? 12

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