A survey of Ohio University students was conducted to determine if there was a particular ‘Green’...

A survey of Ohio University students was conducted to determine if there was a particular ‘Green’ that was desired by students to live on. A sample of 120 students responses are reproduced below. Do students prefer a particular ‘Green’? Use critical value = 5.99. West Green South Green East Green 40 20 60 Q1: What are the expected values? Q2: What is the calculated chi-squared value? Q3: Was there a significant preference for where students live? A. Yes B. No

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orchestra answered 2 years ago

Q1. A local sports bar wanted to determine whether Ohio University students prefer a particular type...

Q1. A local sports bar wanted to determine whether Ohio University students prefer a particular type of food in their establishment. A sample of students responses are reproduced below. Do students prefer a particular type of bar food? Use critical value = 6.58. Use the numbers below for this question only! Nachos Pizza Chicken Wings Cheese Sticks 33 34 46 46 What would the expected value for Cheese Sticks be? Q2. A local sports bar wanted to determine whether Ohio University students prefer a particular type...

3. A telephone survey of university students was conducted to estimate the prevalence of respiratory disease...

3. A telephone survey of university students was conducted to estimate the prevalence of respiratory disease in the student population. What type of study is this? (1 mark) a) Case-control b) Cohort c) Cross-sectional d) Longitudinal e) Cluster-randomised trial 3b. Could this study be affected by selection bias? If so, how? Answer in complete sentences. (1 mark) 3c. How would such bias affect the prevalence estimate? Answer in complete sentences. (1 mark)

A survey was conducted at a college to determine the number of hours students spent outside...

A survey was conducted at a college to determine the number of hours students spent outside on weekends during the winter. For students from cold weather climates, the results were M = 8, SD = 1.5. For students from warm-weather climates, the results were M = 5, SD = 4.2. Explain what these numbers mean to a person who has never had a course in statistics, and suggest conclusions the person can draw from these results. These conclusions use the...

A university conducted a survey of 273 sophomore, junior, and senior undergraduate students regarding satisfaction with...

A university conducted a survey of 273 sophomore, junior, and senior undergraduate students regarding satisfaction with student government. Results of the survey are shown in the table by class rank. Sophomore Junior Senior Total Satisfied 45 65 63 173 Neutral 16 16 9 41 Not satisfied 17 15 27 59 Total 78 96 99 273 A survey participant is selected at random. What is the probability that he or she is a junior AND neutral ? In other words, find...

A university conducted a survey of 381 undergraduate students regarding satisfaction with student government. Results of...

A university conducted a survey of 381 undergraduate students regarding satisfaction with student government. Results of the survey are shown in the table by class rank. Complete parts (a) through (d) below. Freshman Sophomore Junior Senior Satisfied 54 48 64 60 Neutral 30 20 17 14 Not satisfied 25 19 10 20 (a) If a survey participant is selected at random, what is the probability that he or she is satisfied with student government? (b) If a survey participant...

The Humber Student Federation conducted a survey to determine the mean study time/week of students at...

The Humber Student Federation conducted a survey to determine the mean study time/week of students at the Lakeshore Campus. A sample of 18 students had a mean of 7.5 hours and a standard deviation of 2.2 hours. Assuming that the sampling distribution is about normal, calculate a 99% confidence interval for the mean study time all students at the Lakeshore Campus.

A survey of 750 likely voters in Ohio was conducted by the Rasmussen Poll just prior...

A survey of 750 likely voters in Ohio was conducted by the Rasmussen Poll just prior to the general election, The state of the economy was thought to be an important determinant of how people would vote. Among other things, the survey found that 165 of the respondents rated the economy as good or excellent, 315 rated the economy as poor (the rest of the respondents were in between these two categories). a. (10p) Develop a point estimate of the...

A survey conducted at a regional university in the northern Midwest revealed that 5% of the...

A survey conducted at a regional university in the northern Midwest revealed that 5% of the students were underweight, 48% of the students were of a normal weight, 32% were overweight, and 15% were obese. The university initiated a multi-faceted health promotion intervention and re-evaluated student weight status again one year later. The results are displayed in Table 1 below: Weight Status Underweight Normal weight Overweight Obese Total Number of Students: 45 885 420 150 1500 Based on this data,...

1. A researcher conducted a survey on a university campus for a sample of 64 seniors....

1. A researcher conducted a survey on a university campus for a sample of 64 seniors. The research reported that seniors read an average of 3.12 books in the prior academic semester, with a standard deviation of 2.15 books. Determine the probability that the sample mean is: a) above 3.45 b) between 3.38 and 3.58 c) below 2.94 2. Al Gore, the Democratic candidate for President of the USA in the 2000 election, believes that the proportion...

A recent survey was conducted to determine how people consume their news. According to this survey,...

A recent survey was conducted to determine how people consume their news. According to this survey, 60% of men preferred getting their news from television. The survey also indicates that 42% of the sample consisted of males. Also, 42% of females prefer getting their news from television. Use this information to answer the following questions. a. Consider that you have 30000 people, given the information above, how many of them are male? b. Again considering that you have 30000...

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