I can only answer 1 question at a time so I am solving question 2).
2)
A) population
B) sample
C) sample
D) population
E) sample
Please do rate me and mention doubts in the comments section.
2) Populations versus samples. For each statement, answer with either population, sample, or both. A) The compl...
Explain how populations and samples differ Choose the correct answer below ( A. A sample is a set of measurements that are recorded on a naturally occurring numerical scale. A population is a set of measurements that cannot be measured on 0 B. O C. ( D. a natural numerical scale; they can only be classified into one of a group of categories A population is a set of units of interest to a study. A sample is a subset...
9.6 in order to compare the means of two populations, inde- NW pendent random samples of 400 observations are selected from each population, with the following results Sample 1 Sample 2 $.240 s2 200 5,275 1150 a. Use a 95% confidence interval to estimate the dif- ference between the population means (μ,-μ Interpret the confidence interval. b. Test the null hypothesis Ho (μι-μ)--0 versus the c. Suppose the test in part b were conducted with the d. Test thenull hypothesis...
uctions: Show all your work for each of the problems to obtain partial credits I. Identification Questions (1) Identify the type of data (Qualitative or Quantitative), if quantitative, continus or the level (nominal, ordinal, interval, ratio) of measurement most suitable in el Description Qualitative Quantitative Discrete/Continnous Measurment (a) The type of cars in the parking lot (b) The height of students in our c The ages in years of current LIU professors (d) The final scores of every game the...
Multiple Choices 4. the best way to form a cluster of 20 samples from a population measuring 320: a. all members of the population are written in pieces of paper and then put in a box. Twenty pieces of paper were selected from the box b. all population members are written in the alphabetical list. the first sixteen parts of the list are taken randomly and become members of the population. Then each 16th name in the list of members...
Need help with question 65! information to answer the next two exercis0s e duration (amount of time) of resident A study was done to determine the age, number of times pe use of a local park in San Jose. The first house in the neighborhood around the park then every 8th house in the neighborhood around the park was interviewed 63. "Number of times per weok" is what type of data? a qualitative Quantitative discrote c. quantitative continuous 64. "Duration...
NEED HELP ASAP Please answer all please. a People with higher incomes might not own TVs or computers with higher incomes likely will have high-speed Internet access, which will lead to spending more time on-i O People with lower incomes might not own TVs or computers. D People who spend time at home on the Internet never watch TV r the students in your statistics class as the population and suppose they are seated in four rows of 10 comes...
1. For each of the following random variables, determine whether the variable is quantitative or qualitative. Further classify those variables as discrete/continuous or ordinal/nominal (a) Number of telephones per householod (b) Whether there is a fax machine in the household (c) Length (in minutes) of longest local call per month (d) Total time spent on online purchases in a month (e) Educational level of a person 2. It is believed that exercising can lower blood pressure. A medical researcher who...
select the correct answer 1) Which statement about systematic reviews is true? a) All systematic reviews of quantitative studies are meta-analyses. b) “Systematic review” is just another name for a literature review. c) All systematic reviews of quantitative studies are metasyntheses. d) Systematic reviews follow similar “rules” as for primary studies. 2) Which is the unit of analysis in a meta-analysis? a) Prior systematic reviews b) A primary qualitative study c) Individual study participants d) A primary quantitative study 3)...
For each of the studies in #1 through #4, answer the following questions a)What is the response variable? b)What is the study unit? c) What are the factor(s)? For each factor, give the corresponding factor levels. d)Ifit is a multi-factor study, list the treatments. e) Is the study experimental, observational or mixed? Why? Explain in terms of the factors. 1.In a study to determine if proficiency test scores are affected by the education of a child's parents, a random sample...
For each of the studies in #1 through #4, answer the following questions a)What is the response variable? b)What is the study unit? c)What are the factor(s)? For each factor, give the corresponding factor levels. d)Ifit is a multi-factor study, list the treatments. e) Is the study experimental, observational or mixed? Why? Explain in terms of the factors In a study to determine if proficiency test scores are affected by the education of a child's parents, a random sample of...