Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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A group of students wanted to investigate the effects of different milk drinks
on the growth of children aged six years.
Six groups of 50 children per group were each given a different milk drink.
The nutritional value of each milk drink (per 240 grams{g}) is shown in
Table 1 below.
Table 1
Protein (g)
Fat (g)
Energy
(kjoules)
431
Milk Drink
Cow
8.2
2.4
310
7.8
3.9
Soy
Oat
544
4.7
2.3
Almond
151
1.4
2.6
Cashew
105
0.8
2.0
Rice
218
0.3
3.0
The height (of each child) was measured in centimetres (cm) at the start of
the test and again at the end of the test. The test was carried out over one
year. The results of the test are shown in Table 2 below.
Table 2
Average change in height (%)
+ 13.2
+ 10.4
+ 11.0
+ 9.8
+ 8.3
+ 9.2
Milk drink
Cow
Soy
Oat
Almond
Cashew
Rice
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Transcribed Image Text:A group of students wanted to investigate the effects of different milk drinks on the growth of children aged six years. Six groups of 50 children per group were each given a different milk drink. The nutritional value of each milk drink (per 240 grams{g}) is shown in Table 1 below. Table 1 Protein (g) Fat (g) Energy (kjoules) 431 Milk Drink Cow 8.2 2.4 310 7.8 3.9 Soy Oat 544 4.7 2.3 Almond 151 1.4 2.6 Cashew 105 0.8 2.0 Rice 218 0.3 3.0 The height (of each child) was measured in centimetres (cm) at the start of the test and again at the end of the test. The test was carried out over one year. The results of the test are shown in Table 2 below. Table 2 Average change in height (%) + 13.2 + 10.4 + 11.0 + 9.8 + 8.3 + 9.2 Milk drink Cow Soy Oat Almond Cashew Rice
(c)
The students concluded that cow milk was the best milk drink to give
growing children.
i. Give evidence to support this conclusion.
ii. State reasons why you may not necessarily agree with this
conclusion.
Plot a suitable graph to see if there is a correlation between the
protein content of the different milk drinks and the average
percentage change in height. Briefly comment on what you may
conclude about a correlation.
(d)
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Transcribed Image Text:(c) The students concluded that cow milk was the best milk drink to give growing children. i. Give evidence to support this conclusion. ii. State reasons why you may not necessarily agree with this conclusion. Plot a suitable graph to see if there is a correlation between the protein content of the different milk drinks and the average percentage change in height. Briefly comment on what you may conclude about a correlation. (d)
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