Victoria wants to conduct A survey to find out how much time students spend doing science experiments. Which is the appropriate question for the survey

Q: At the end of the term,a student has an 81% homework average and a 55% quiz average. According to…

A:

Q: I am given a pie chart with 4/6 of the slots filled in with the percent. I am told that one of the…

A: Note:When the several categories in a data set are represented in a pie chart, it must be remembered…

Q: 12. Jackson has scores of 80, 90, 83, and 81 on four Math quizzes. What is the score he needs on the…

A: Let us assume that the next score is x then

Q: According to the Recording Industry Association of America, from 2003 to 2004 , audio cassette sales…

A: The given data is: From 2003 to 2004, audio cassette sales dropped by 78.2 % to 23.6 million To…

Q: store buyer purchased 6 2/5 dozen white T-shirts and 3 1/2 dozen colored T-shirts. What percent of…

A: A store buyer purchased 6 2/5 dozen white T-shirts and 3 1/2 dozen colored T-shirts.  What percent…

Q: how to calculate the margin of error? I was clear and said to provide step by step solutions

A: The sample size is 20, the sample standard deviation is 118.023 and the confidence level is 95%.

Q: The governor's approval rating dropped by 40%, to 18%. What was his approval rating before? O 25.2%…

A: Given, The governor's approval rating dropped by 40% to 18%.

Q: The 12 members of the math department raised $1536 for charity in total. The 8 members of the…

A: GivenThe number of individuals who raised charity from Math department =12 The total amount of…

Q: :. Usain Bolt, the fastest recorded human, has been clocked at 12.43 meters per performs the…

A:

Q: How did you get p value from hats given?

A: Solution-: We have test statistic=t_{stat}=-2.115 and df=87 We want to find the how to get p-value=?…

Q: On Monday gas was $1.89 per gallon. On Wednesday gas prices decreased 6%. On Friday gas prices…

A: Given that: Cost of a gallon of gas on Monday = $1.89 Percentage of cost decreased on Wednesday = 6%…

Q: To estimate the population in a rookery, 4965 fur seal pups were captured and tagged in early…

A: Since the problem consists of three variables, applying capture-recapture method i.e, kn2≈n1N n1…

Q: Alyssa took a math test with 30 questions and she answered 25 questions correctly. In order to get…

A: First calculate the 90% of 30 questions. 90% of 30 = 90×30100                    = 27   So, to get…

Q: Juan's team in College Prep math were using the "ruler drop" technique to study reaction times.…

A: Average=Total value/total number

Q: if you dont show up for the first exam and take a 0%, then average 82% for everything else the rest…

A:

Q: Maryam scored an 8 out of 10 on her spelling test one week. The next week, her score decreased by…

A: The objective of this question is to find out Maryam's score for the second week after it decreased…

Q: where did  you get 0.5 from

A: The mean of the distribution, The standard deviation of the distribution,

Q: Tiffany answered 90% of the questions on her math test correctly. There were 50 questions on the…

A: Tiffany answered 90% of the questions on her math test correctly. There were 50 questions on the…

Q: Gas was $2.46 a gallon on monday. On wednesday gas prices increased 4.8%. On friday prices decreased…

A: Given data: Gas was=  $2.46 a gallon on monday. On wednesday gas prices increased         = 4.8%. On…

Q: marco got 15 questions wrong on his 30- questions test. what is his grade as a percent

A: Marco has total 30 questions. Wrong questions are 15.

Q: A scored tablet containing 100 mg of drug X is available. A prescription for drug X reads: 50 mg…

A:

Q: In 2015, alcohol used among high school seniors was down from the previous year by 5.6% to 35.5%.…

A: Given: In 2015, alcohol used among high school seniors was down from the previous year by 5.6% to…

Q: (a) The number of students applying to graduate schools. answer: (b) The number of voters who vote…

A: It is given that the statements about to the discrete and continuous data sets. Here, need to find…

Q: During his college basketball season, Jeff made 566 baskets out of 1388 attempts. What was his…

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Q: bill got 52% correct answers on an 80 question test. what percent of the questions did he answer…

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Q: Judy paid $120.96 for carpet for her room that is 144 square feet. Nathan liked the carpet she…

A:

Q: How do we calculate p?

A: Introduction: P-value: The P-value is the probability of obtaining a test statistic value as extreme…

Q: 1000P=6.46 1000P¹=2.11 x:n 1000P xinl 41.66 1000P 14.26 =

A: Given,     1000Px=6.46      1000Px:n1=2.11     1000Px:n=41.66          1000Px+n=14.26

Q: Given Final Answer 1.809-2 2. 3. (w3x4ySz6)5 4.9-4 5.60

A: We have to compute the given expressions using the law of exponents. We can write the large numbers…

Q: Antoni was purchasing pickles and he wanted to get the best deal. The 32 ounce jar cost $3.99, and…

A: SOLUTION:   Given that , Antony was purchasing pickles and He wants to get the best deal. In the…

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.