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Lana71 [14]
3 years ago
6

Twins can be identical boys, identical girls, non-identical boys, non-identical girls or one boy and one girl. What are the poss

ible combinations with triplets?
Mathematics
1 answer:
Vika [28.1K]3 years ago
7 0

Answer:

See explanation

Step-by-step explanation:

Twins can be identical boys, identical girls, non-identical boys, non-identical girls or one boy and one girl.

For the triplets, first list all possibilities with children sexes:

3 boys

3 girls

2 boys and 1 girl

2 girls and 1 boy.

Hence, all possible combinations are:

3 identical boys

2 identical boys and 1 non-identical boy

3 non-identical boys

3 identical girls

2 identical girls and 1 non-identical girl

3 non-identical girl

2 identical boys and girl

2 non-identical boys and girl

2 identical girls and boy

2 non-identical girls and boy

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This Question is not Complete

Complete question

The number of absences per student in each of two classes is shown on the dot plots below.

A dot plot titled Number of absences per student in Misses Anderson's class. The number line goes from 0 to 6. There is 1 dot above 0, 3 above 1, 3 above 2, 3 above 3, 1 above 4, and 0 above 5 and 6.

A dot plot titled Number of absences per student in Misses Bergot's class. The number line goes from 0 to 6. There is 1 dot above 0, 1 above 1, 2 above 2, 3 above 3, 2 above 4, 1 above 5, and 1 above 6.

Which statements accurately compare the two data sets? Select three options.

a. The mean number of absences is greater in Mrs. Anderson’s class.

b. The mean number of absences is greater in Mrs. Bergot’s class.

c. There is more variability in Mrs. Anderson’s data set.

d. There is more variability in Mrs. Bergot’s data set.

e. The mean and MAD are better representations of these data sets than the median and IQR.

Answer:

b. The mean number of absences is greater in Mrs. Bergot’s class.

d. There is more variability in Mrs. Bergot’s data set.

e. The mean and MAD are better representations of these data sets than the median and IQR.

Step-by-step explanation:

From the above data given in the question and the options given to us, we can observe from the comparison of both the number of absences in Mrs Bergot's class to that in Mrs Anderson's class, there will be a presence of variation in the data of one of the classes and that class happens to be Mrs Bergot's class.

The appropriate statistical tool that we can be used to determine and measure the centre of variability of the data is Mean and Mean Absolute Deviation.

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