The average weight of a 2-year-old child is around 25 to 30 pounds. At this age, children typically experience a slower rate of weight gain compared to their first year of life. This is because their growth and development are more focused on building muscle and bone strength rather than rapid weight gain.
A t-test should be used to compare the means of two groups, while a chi-square test is used to compare frequencies or proportions between groups.
The 20-65 group!There are no standardised age groups, so if you want to compare age groups you need to specify the age groups you wish to compare.
The two groups of bacteria is, Blue-green Bacteria.
No, don't use a single t-test to compare the means of 3 or more groups. Use ANOVA.
Descriptive statistics are meant to describe the situation such as the average or the range. Inferential statistics is used to differentiate between a couple of groups.
Control
Bar Graph.
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Circle graphs, or pie charts compare the percentage of different things.