A student named Foofy (who you'll be taking statistics with) conducted a survey. In her sample,...

A student named Foofy (who you'll be taking statistics with) conducted a survey. In her sample, 83% of mothers employed outside the home would rather be home raising children. She concluded that "the statistical analyses prove that most working women would rather be at home." What is the problem with this conclusion?

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orchestra answered 2 years ago

A study is conducted for students taking a statistics class. Several variables are recorded in the survey. The...

A study is conducted for students taking a statistics class. Several variables are recorded in the survey. The 300 students were asked what type of car the student owns, the number of credit hours taken during that semester, the time the student waited in line at the bookstore to pay for his/her textbooks, and the home state of the students. 1. Which of the following plots would be appropriate to graph the home states of the students? bar graph, histogram, scatter plot,...

The Business department of a college desires to survey a sample of students taking business statistics....

The Business department of a college desires to survey a sample of students taking business statistics. The department is offering 30 classes of business statistics, similar in class size with a total of 1,200 students. They would like the sample size to be roughly 10% of the population of the business statistics students this semester. Describe how might the department obtain a sample using simple random sampling, stratified sampling, and cluster sampling.

I have some data from a random sample of 343 students who are taking statistics at...

I have some data from a random sample of 343 students who are taking statistics at a particular college. For each student, gender is recorded along with their GPA. The mean GPA for the 182 males in the sample is 3.283. The mean GPA for the 161 females in the sample is 3.092. We wish to estimate the difference in the mean GPA’s for all males and females who take statistics at this college. The standard error of the relevant...

Lisa needs to construct a systematic random sample of students who are currently taking statistics. Convey...

Lisa needs to construct a systematic random sample of students who are currently taking statistics. Convey to her how to construct a sample, step-by-step.

In a survey conducted by the Fake Statistics Association, it was found that 125 of 200...

In a survey conducted by the Fake Statistics Association, it was found that 125 of 200 people in Texas approved of the current legislation on the economy. In a similar survey conducted in California, it was found that 210 out of 500 people approved of current economic legislation. Use this data to test the claim that the proportion of people in Texas who approve of the legislation is at least 7% higher than the proportion of people who approve it...

The National Center of Education Statistics conducted a survey of high school seniors,

5.20 High School and Beyond, Part I: The National Center of Education Statistics conducted a survey of high school seniors, collecting test data on reading, writing, and several other subjects. Here we examine a simple random sample of 200 students from this survey. Side-by-side box plots of reading and writing scores as well as a histogram of the differences in scores are shown below. (b) Create hypotheses appropriate for the following research question: is there an evident difference in the average...

The National Center of Education Statistics conducted a survey of high school seniors

High School and Beyond, Part l. The National Center of Education Statistics conducted a survey of high school seniors, collecting test data on reading, writing, and several other subjects. Here we examine a simple random sample of 200 students from this survey. A histogram of the difference in the reading and writing score of each student is shown below. .1. Which set of hypotheses is appropriate for the following research question: is there an significant difference in the average scores of students...

1a) A survey was conducted to estimate the prevalence of a disease among a student population....

1a) A survey was conducted to estimate the prevalence of a disease among a student population. What type of epidemiological study is this? Case-control Cluster randomized trial Longitudinal Cross-sectional Cohort 1b) Would this type of study be affected by selection bias? How? 1c) Would such bias affect prevalence estimate? How?

5. According to a survey conducted with 132 adults by a sociology student, 73.4 % of...

5. According to a survey conducted with 132 adults by a sociology student, 73.4 % of them indicated that they were satisfied with their jobs. Test the claim that more than 70% of the people are satisfied with their jobs. Use a significance level of 0.01. For each question you need to find the following a) < 1 point > Write the given . Step 1 b) < 2 points > Write the claim and its opposite , then determine...

Mimi conducted a survey on a random sample of 100 adults. 58 adults in the sample...

Mimi conducted a survey on a random sample of 100 adults. 58 adults in the sample chose banana as his / her favorite fruit. Construct a 95% confidence interval estimate of the proportion of adults whose favorite fruit is banana. Show all work. Just the answer, without supporting work, will receive no credit.

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