The statement first, statement third, and statement fifth are correct because the mean for May is 79, mean for October is 62, and mean difference is 17 in degree Fahrenheit.
It is defined as the single number that represents the mean value for the given set of data or the closed value for each entry given in the set of data.
We have given data:
Day of the Month May October
2 74 68
6 78 63
11 71 59
23 81 63
29 91 57
The mean high temperature for the selected days in May was:
= (sum of the temperature in May)/number of observations
= 395/5
= 79 °F
The mean high temperature for the selected days in October was:
= (sum of the temperature in October)/number of observations
= 310/5
= 62 °F
The difference in mean high temperatures for the selected days between May and October was:
=79 - 62
= 17 °F
Thus, the statement first, statement third, and statement fifth are correct because the mean for May is 79, mean for October is 62, and mean difference is 17 in degree Fahrenheit.
Learn more about the mean here:
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