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4. (2 pts total) A researcher is interested in gathering data about the adult population of...
1. (2 points). (True False) The median is very sensitive to extreme data points. 2. (2...
1. (2 points). (True False) The median is very sensitive to extreme data points. 2. (2 points). (True False) The t-distribution approaches the standard normal distribution as sample size increases. What type of data (attribute, discrete numerical, continuous numerical) is each of the following variables: 3. (2 points) _____________________ Your gender 4. (2 points) _____________________ Your height Which type of data (nominal, ordinal, interval, ratio) is each of the following variables? 5. (2 points) _____________________ Temperature in degrees Fahrenheit 6....
21) A researcher wants to know whether there is a difference in the physical activity level of children during the morni...
21) A researcher wants to know whether there is a difference in the physical activity level of children during the morning and afternoon. He observes a total of 40 children (20 boys and 20 girls) from randomly selected schools during morning and afternoon recess and gives each child a score (out of 50) based on how much of the time they spend sitting, standing, walking or running. Each child receives a score in the morning and another in the afternoon....
Need help with question 65! information to answer the next two exercis0s e duration (amount of...
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...
Suppose that you wish to test a claim about a population mean. Which distribution should be...
Suppose that you wish to test a claim about a population mean. Which distribution should be used given that the sample is a simple random sample, σ is not known, n = 15 and the population is normally distributed? The z-distribution The t-distribution The Chi-Square Distribution The F-distribution A hypothesis in statistics is a claim or a statement about a sample statistic population parameter legitimate inheritance weather conditions A market researcher selects every 40th student from a group of 500...
a class of si of size 20 from c) Describe a process you could use to...
a class of si of size 20 from c) Describe a process you could use to get a simple random sample 40. odern Managed Hospitals (MMłl) is a national for-profit chain of hospitals. Management ain patient satisfaction profiles. They wish to wants to survey patients discharged this year to obt use a sample of such patients. Several sampling techniques are described below. Categorize each technique as simple random sample, stratified sample, systematic sample, cluster sample, or convenience sample. a) Obtain...
2) Populations versus samples. For each statement, answer with either population, sample, or both. A) The compl...
2) Populations versus samples. For each statement, answer with either population, sample, or both. A) The complete set of information. B) A portion, not all, of the information. C) Has the potential to be biased or misleading. D) Measured or summarized with parameters. E) Measured or summarized with statistics. 3) Descriptive versus inferential statistics. For each statement, answer with either descriptive or inferential statistics. A) Facts about samples. B) Educated guesses about populations based on samples. C) The world population...
7. The data table below provides the same line item data from state budgets in North...
7. The data table below provides the same line item data from state budgets in North Dakota; however, now the data has been adjusted for inflation. All of the data is given in terms of 2003 dollars. Calculate the inflation adjusted per capita expenditure (amount paid per state resident in terms of 2003 dollars) for each of the three given line items (higher education, transportation, and total budget) both in 2003 and again in 2014. Record your answers in the...
please tell me if its a z test ke t test and why it is :)...
please tell me if its a z test ke t test and why it is :)
thanks!
CHECK ANSWERS! You should use a Z test because of the large sample size 30 < and we know the mean and the standard deviation. 6. The Graded Naming Test (GNT) requires respondents to name objects in a set of 30 black-and-white drawings. The test is often used to detect brain damage in the UK. The test begins with easy words like kangaroo,...
Research question: In the population of all American adults, how strong is the relationship between age...
Research question: In the population of all American adults, how strong is the relationship between age and reaction time? Data were collected from a representative sample of 500 American adults concerning their ages (in years) and reaction times (in milliseconds). What procedure should be used to estimate the strength of this relationship in the population? CI for single mean CI for single proportion CI for difference in means CI for difference in proportions CI for correlation 2Research question: To what...
The data on the right relate to characteristics of high-definition televisions A through E. Identify the...
The data on the right relate to characteristics of high-definition televisions A through E. Identify the individuals, variables, and data corresponding to the variables. Determine whether each variable is qualitative, continuous, or discrete. Number of Setup Size (in) Screen Type Channels Available А 57 Plasma 300 B 53 Plasma с 55 Projection 423 D 58 Plasma 269 E 53 Plasma 290 106 What are the individuals being studied? A. The high-definition television setups A through E. B. Plasma and projection...
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...
a class of si of size 20 from c) Describe a process you could use to get a simple random sample 40. odern Managed Hospitals (MMłl) is a national for-profit chain of hospitals. Management ain patient satisfaction profiles. They wish to wants to survey patients discharged this year to obt use a sample of such patients. Several sampling techniques are described below. Categorize each technique as simple random sample, stratified sample, systematic sample, cluster sample, or convenience sample. a) Obtain...
2) Populations versus samples. For each statement, answer with either population, sample, or both. A) The complete set of information. B) A portion, not all, of the information. C) Has the potential to be biased or misleading. D) Measured or summarized with parameters. E) Measured or summarized with statistics. 3) Descriptive versus inferential statistics. For each statement, answer with either descriptive or inferential statistics. A) Facts about samples. B) Educated guesses about populations based on samples. C) The world population...
please tell me if its a z test ke t test and why it is :)
thanks!
CHECK ANSWERS! You should use a Z test because of the large sample size 30 < and we know the mean and the standard deviation. 6. The Graded Naming Test (GNT) requires respondents to name objects in a set of 30 black-and-white drawings. The test is often used to detect brain damage in the UK. The test begins with easy words like kangaroo,...
The data on the right relate to characteristics of high-definition televisions A through E. Identify the individuals, variables, and data corresponding to the variables. Determine whether each variable is qualitative, continuous, or discrete. Number of Setup Size (in) Screen Type Channels Available А 57 Plasma 300 B 53 Plasma с 55 Projection 423 D 58 Plasma 269 E 53 Plasma 290 106 What are the individuals being studied? A. The high-definition television setups A through E. B. Plasma and projection...
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