What is the variable of interest in this data set and what is the type of this variable?
Q: The value of the test statistic is
A:
Q: What are the measures of central tendency? Explain.
A: Solution: The three measures of central tendency are the mean, median and mode which are defined as…
Q: Examine the data elements in contemporary health data terminologies
A: Given information: It is required to state the data elements in contemporary health data…
Q: Identify the type of table that is used to group bivariate data.
A: In this case, we need to identify the type of table that is used to group bivariate data.-
Q: What does an extreme value at the high end of the data set mean?
A: The numerical data can be divided into two parts. One being discrete and other continuous. As the…
Q: what is the correlation for the recorded data of subscriptions?
A: Solution
Q: The median for the dataset used to create this histogram could possibly be in which range?
A: Frequency Distribution table : Class Frequency Cumulative Frequency 2-4 1 1 4-6 4 1+4=5 6-8…
Q: What data collection techniques are useful in case studies?
A: Given problem Given that What data collection techniques are useful in case studies ?
Q: Why is a year of sale is considered as a one example of discrete data? What is the level measurement…
A: Year of sale is discrete data because year of sale is limited sale that can be countable there a…
Q: find mean devaition of this data??
A: Calculate Mean deviation from the following grouped data Class Frequency (f) 110 - 119 1 120…
Q: Suppose that you have a data set that contains a large number of observations. Which graphical…
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Q: What is Frequency Distribution for Grouped Data?
A:
Q: What type of graphs are suitable for displaying the mean, median, variance and standard deviation
A: Graphical displays complement tabular presentations of descriptive statistics. Generally, graphs are…
Q: How might the absence of data screening affect a researcher’s data quality, their interpretations of…
A: We have to understand the role of data screening when it comes to doing research. During data…
Q: What test statistics will be used for this problem?
A: Test is that whether there is a color preference in shirts.
Q: 1. Identify the three major stages of data analysis. 2. What does a researcher attempt to do when…
A: Data Analysis is the process of systematically applying statistical and logical techniques to…
Q: What is the lowest measure of central tendency and is used primarily for nominal data to identify…
A: We know there are mainly three measures of central tendency:Mean, mode and medianWe first know where…
Q: What is Measures of Central Tendency?
A: Often,the data which will be provided will have a tendency,not withstanding their variability, to…
Q: What are the basic guidelines for watching and collecting data on workers?
A: The very first step to collect a data is: Identify issues or opportunities for collecting data: It…
Q: the Grouped and Ungrouped data
A: When data has been organized/classified into some classes or some groups by doing some data…
Q: What is the relationship between a frequency or relativefrequency distribution of a quantitative…
A: Justification:Qualitative and quantitative data:Qualitative data are non-numerical measures such as…
Q: The first quartile of the data values 45, 48, 31, 48, 50, 30 equals ?
A: Arranging the data into ascending order: 30, 31, 45, 48, 48, 50
Q: The broad answers to questions in interviews, or from responses to open‐ended questions in a…
A: Survey is a method to collect data for a statistical study. The data obtained from the survey will…
Q: What type of analysis and descriptive statistics should be conducted to best depict the relationship…
A: 1) The number of hours in the operating room is a continuous variable and the number of hours on a…
Q: what is the use of spss in data analysis and why is it considered important
A: Spss is an application which consists of a set of software programs. The use of spss in data…
Q: Define the term Sample Correlation? why it is used in linear equation?
A: Correlation measure linear relationship between the variables. Correlation: Correlation is used to…
Q: Explain Multivariate Relationships among Items?
A: Multivariate regression attempts to determine a formula that can describe how elements in a vector…
Q: what is the difference between grouped and ungrouped data?
A: Data can be classified as grouped data and ungrouped data.
Q: Distinguished Between primary and secondary data
A: Primary data is a type of data that is collected by the researcher himself to reach at the…
Q: Why is the combination of the measures of central tendency and measures of variation so informative…
A: Measures of central tendency gives the middle or central value which represents the whole data in a…
Q: Which of the following is not a criterion for evaluating secondary data? *
A: Data is secondary when we don't collect it ourselves and work on a data collected by someone else.
Q: Define qualitative data?
A: Qualitative data: Qualitative data is defined as the data that categorize or classify the…
Q: How are measures of central tendency and measures of dispersion complementary to each other while…
A: Mean is one of which given us central tendency of the data. The other two being median and mode. The…
Q: What is the correlation coefficient for this data set?
A: The value of r2 is 0.2209.
Q: ) what is the first quartile? B) % of the data between 30 and 36
A: See the handwritten solution
Q: What is the symbol for the sample linear coefficient correlation?
A: Linear correlation coefficient is denoted by r.
Q: What is a correlation coefficient and state and explain the meaning of negative values in the…
A: Regression models are used to predict/forecast the value of dependent variable at some certain…
Q: The most frequent data value is called Select one: a. mode b. mean C. variance d. median
A: We have to find out the correct answer for given data the most frequent data value is called…
Q: Is there a linear association between age and days? Explain using the sample illustration below.
A: Scatter plot is a graph that shows the direction as well as linearity of the relationship between…
Q: What are the measures of central tendency for this data set
A: For each variable, it is asked to write the measures of central tendency. There are 3 measures of…
Q: Why is hair color classified as categorical data?
A: In categorical variable we simply assign labels for identification. Categorical values are discrete…
Q: Is there truly a significant difference between the two data sets?
A: Test is that whether there is truly significant difference between the two data sets. The test…
Q: What is the difference between Discrete and Continous Data and prodivde an example for each.
A: Discrete random variable : Random variables that can assume only a countable number of values are…
Q: 1 a) Hair color is an True False example of a qualitative data.
A: The data of interest is hair color.
Q: Which of these gives the best measure of central tendency for the given data
A: We know that, there are following measures of Central tendency are: Mean or Arithmetic Mean…
Q: Define the term Penal data?
A: Panel data is useful in mainly econometrics and statistics. It is also called as longitudinal data.…
Q: What are the findings of the study?
A:
Q: Define deseasonalisation of data.
A:
What is the variable of interest in this data set and what is the type of this variable?
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- How many patients were lost to contact?Out of the four diagnose cells, how many demonstrate an observed cell count greater than what would be expected under independence between the neurologist ratings?Dr. A. Ventura is interested in determining what kinds and how many pets people own in Bakersfield. He stands outside Petco and asks people what kind of pet they own. This is the result of his survey: dog=1; cat=2; bird=3; reptile=4; fish=5; other=6 1,1,2,2,2,1,1,3,2,3,1,1,1,2,2,4,4,2,2,1,1,1,5,4,3,4,1,1,1,2,2,6,1,1,2,2,1,2,1,2,6,3,4,5
- Can someone please help with a-c? Thank you.I need, D,E,FA researcher randomly selected 100 adults aged 18-25 and 100 adults aged 50-60. Within each age group, she recorded the number of smokers. Group of answer choices a.quantitative, dependent b.qualitative, independent c.quantitative, independent d.qualitative, dependent
- A certain county had a population of 34,485 people. The county hospital is interested in estimating the number of people in the county with blood type-O. To do this, they test blood samples from 228 patients. Out of this group, 10 have blood type-O. Use this sample to estimate the number of people in the county with blood type-O.Out of 32 students in a class 5 said they ride their bike to school. Based on these results how many of the 800 students in the school ride their bikes to school?A survey of athletes revealed that for their minor aches and pains, 28 used aspirin, 52 used ibuprofen, and 15 used both. All the athletes that were surveyed used some form of pain medication. How many athletes were surveyed?
- Manatees are large aquatic mammals found primarily in the rivers and estuaries of Florida. Because they are an endangered species, the Florida Fish and Wildlife Conservation Commission tracks all manatee deaths in the state and establishes a probable cause of death for each carcass. In 2016, the commission recorded 520 manatee deaths. Does this number represent a sample of manatee deaths or does it represent the actual manatee population in Florida?As part of a statistics project, a teacher brings a bag of marbles containing 700 white marbles and 300 red marbles. She tells the students the bag contains 1000 total marbles, and asks her students to determine how many red marbles are in the bag without counting them.A student randomly draws 100 marbles from the bag. Of the 100 marbles, 28 are red.The data collection method can best be described as Census Clinical study Controlled study SurveyIn 2013, Gallup surveyed a nationally representative sample of 2027 adults about their soda consumption. The survey showed that 485 mostly drank diet soda.
