subject
Mathematics, 14.05.2021 21:50 brae72

Victoria want to conduct a survey to find out how much time students from her school spend doing science experiments. which of the following is an appropriate statistical question for this survey? A. How many times during the week does the best scientist perform science experiments?

B. How many of you perform science experiments for more than and hour every day?

C. How many of you perform science experiments for an hour everyday?

D. How many hours per week do you perform science experiments?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 18:20
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
question
Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
question
Mathematics, 21.06.2019 22:00
If my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?
Answers: 1
question
Mathematics, 21.06.2019 22:20
In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?
Answers: 1
You know the right answer?
Victoria want to conduct a survey to find out how much time students from her school spend doing sci...
Questions
question
English, 11.02.2021 14:00
question
Mathematics, 11.02.2021 14:00
question
Mathematics, 11.02.2021 14:00
question
Mathematics, 11.02.2021 14:00
question
Mathematics, 11.02.2021 14:00
question
English, 11.02.2021 14:00
question
History, 11.02.2021 14:00
Questions on the website: 13722367