Answer:
The options are
a.
The group that drinks water
b.
The performance on the exam
c.
The group that has coffee
d.
There is no experimental group as this is a case study
The answer is c.The group that has coffee
Explanation:
Dr. Turner is said to form the hypothesis that ingesting caffeine prior to an exam will improve exam performance. In a study, she gives half of the participants coffee and the other half water. It is known that tea contains caffeine. The investigation and experiment is centered around Caffeine which makes the group that has coffee the experimental group while the people who took water will be the control group which will be used in comparisons with the results gotten from the experimental group.
<span>Yes, we have an obligation to keep records preserved in a secured file.</span>
Answer:
It is a strong evidence that the risk has increased
Explanation:
From the result of the recent study, the risk of congenital abnormalities has increased. In 1980, about only 5% of national children were believed to be affected. However, results from the recent study showed an increase to about 12%
i.e. (46/384) x 100 = 11.97%.
Additionally, assuming the sampling was random, According to the summary statistics attached, the p- value is smaller than the significance level, thus you can concluded that there is significant increase in risk
Female literacy levels are on average 17%, with high variation, indicating a strong geographical and gender divide. The highest female literacy rate, for instance is 34.7%, found in the capital, Kabul, while rate as low as 1.6% is found in two southern provinces of the country. Male literacy rates average about 45%, again with high variation. The highest male literacy rates are in Kabul, at 68%, while the lowest is found in Helmand, at 41%This high variation between male and female literacy rate, is due to combination of factors, such as cultural norm of women not attending school and spending time managing the household, security problems in travelling to classes, and sometimes family not allowing women to attend classes.
The first ten amendments were proposed by Congress in 1789, at their first session; and, having received the ratification of the legislatures of three-fourths of the several States, they became a part of the Constitution December 15, 1791, and are known as the Bill of Rights.