can you calculate the mean age at the bottom? how do you get the mean age? Table 2.3. Absolute Frequency of Apis mellifera house bees across monthsClass AgeMonths(days)SeptOctNovDecJanFebMarApr11-744814208-1481311811101092. 315-211311141815121ТОTAL3030303030303030Table 2.4. Relative Frequency and Mean Age of Apis mellifera house beesacross monthsAge(days)ClassMonthsSeptOctNovDecJanFebMarApr1-730%20%17%13%13%27%47%67%8-1427%43%37%27%37%33%33%30%315-2143%37%47%60%50%40%20%3%ТОTAL100100100100100100100100Mean Age2.

There are 3 classes of age in days. 1-7, 8-14, 15-21 Frequencies if each month is given

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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 31PPS

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can you calculate the mean age at the bottom? how do you get the mean age?

Table 2.3. Absolute Frequency of Apis mellifera house bees across months
Class Age
Months
(days)
Sept
Oct
Nov
Dec
Jan
Feb
Mar
Apr
1
1-7
4
4
8
14
20
8-14
8
13
11
8
11
10
10
9
2.

3
15-21
13
11
14
18
15
12
1
ТОTAL
30
30
30
30
30
30
30
30
Table 2.4. Relative Frequency and Mean Age of Apis mellifera house bees
across months
Age
(days)
Class
Months
Sept
Oct
Nov
Dec
Jan
Feb
Mar
Apr
1-7
30%
20%
17%
13%
13%
27%
47%
67%
8-14
27%
43%
37%
27%
37%
33%
33%
30%
3
15-21
43%
37%
47%
60%
50%
40%
20%
3%
ТОTAL
100
100
100
100
100
100
100
100
Mean Age
2.

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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