In this question, each star equal to 4 students. If the people on 85 and 90 take the test again that means their number should be 14+4 people= 18 people.
If they all get 95, then it means we need to add 18 people to the 95 graph. The number of stars would be: 18 people / (4people/stars)= 4.5 stars
If you add the stars graph it will be easier. It should be clear that 85 will have 1 stars and 90 have 3.5 stars. Adding them up will be 1 stars + 3.5 stars= 4.5 stars
Answer:
b. members of a local gym who exercise regularly have lower mean cholesterol levels than those in the community who do not exercise regularly.
Step-by-step explanation:
From the research, the researcher compared the cholesterol levels of 50 people who belong to a local gym and exercise regularly with the cholesterol levels of 50 people from the community who do not exercise regularly, and found out that the cholesterol levels of the members of the gym were substantially lower. This only proves and ascertain that the members of a local gym who exercise regularly have lower mean cholesterol levels than those in the community who do not exercise regularly. And does not lead to a general conclusion that exercising regularly reduces cholesterol level as there are other variables and data that are not considered/available (such as data on cholesterol levels of people before and after they joined the gym and exercise regularly). Other factors that may affect change in cholesterol levels must also be considered before making a general conclusion on the effect of regular exercise on cholesterol level.
Answer:
<em>Length of BO is </em><em>three times the length of DO.</em>
Step-by-step explanation:
In trapezoid ABCD,
In ΔCDO and ΔABO,
- (Alternate interior angles)
- (Alternate interior angles)
So, according to Angle-Angle similarity.
Therefore, the ratio of corresponding sides will be same.