One problem resulting from urban areas growing is that family-farms are being sold out, and that affects the communities around it. And second, it affects the natural enviorment with pollution, no matter how many laws there are. Take L.A. for example, at times it can be very smogging. You see it in the sky but not many people speak out against it. It proabably was once a little town too.
Richard has conducted a study in which he compares the reading skills of six- year-olds, seven-year-old, and eight-year-olds-<u>They use one-way ANOVA Test</u>
Explanation:
The one-way analysis of variance also known as the ANOVA test is used to determine if there is any any statistically difference between the means of two or more independent or unrelated groups/variables
It is to be noted that there has to be minimum three groups rather than two groups
<u>The One-Way ANOVA is commonly used to test the below mentioned data's </u>
- To measure the statistical differences between the means of two or more groups.
- To measure the statistical differences between the means of two or more interventions.
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To measure the statistical differences between the means of two or more scores
Here are some of their achievements:
- theory of radioactivity
-discovery of a new element, polonium
-discovery of another element, radium
- developing new ways of separating radioactive isotopes
-discovery of nuclear energy ( by Pierre and one of his students)
