How to find the relative and percent error in this data?

Q: Describe the main measures of central tendency and dispersion. Why are they important in analyzing…

A: A measure of central tendency helps to identify the location of a dataset, whereas a measure of…

Q: Why is it ideal that you report underlying frequencies when you are reporting percentages?

A: A frequency is the number of participants or cases; its symbol is the weird F. The symbol of the…

Q: Briefly describe the methods of collecting primary data

A: The objective of this question is to understand the various methods of collecting primary data in…

Q: The top schools HCC students transfer to are below from highest to lowest.  This type of data is…

A: We have given the following statement

Q: Does the mean or median better represent the data? Explain your reasoning.

A: Given data:   30 15 40 40 40 30 50 40 100 30 30 30 30 150 30 30…

Q: A study was conducted that showed strong positive correlation between eating strawberries and the…

A: Correlation shows that the two variables are related to each other in some way. Whereas causation…

Q: What does a z-score tell you about a data value?

A: Solution: Let X be the random variable. The z-score is the standardized value of the given data.

Q: Briefly explain what is meant by the term “descriptive statistics”.

A: We have to describe descriptive statistics here

Q: True or false:

A: Here use definition of dot plot

Q: (5) variable summarized in the following histogram, and why? Which measures of center and…

A: The data is a right skewed data containing several outliers which will easily affect the mean value…

Q: Why do we use area to represent frequency when we’re graphing histograms?

A: Introduction A histogram is a graph which shows the frequency of the numerical data.

Q: which is more meaningful in ranking academic performance quartiles or deciles

A: A data set's quartiles divide the data into four equal parts, each containing one-fourth of the data…

Q: How do you find the controlled effect and the partial effect of a relationship in statistics?

A: Relationship between any two variables can be dependent on presence of another variable it is known…

Q: State whether the data described below are discrete or​ continuous, and explain why.   The weights…

A: The weight of squirrels varies time to time by the food quantity which they have taken.

Q: You can calculate an average/mean of qualitative data. True or False

A: mean , median and measure of spread  can't be calculated for qualitative data, because no natural…

Q: How can data be compared?

A: Here, we have to describe the different ways by which data can be compared.

Q: On a population graph, which data should be represented along the X-axis, Population of organism OR…

A:

Q: Data was collected on the number of pairs of shoes people on and the number of miles they walk per…

A: Determine whether the given statement indicates true or false.   The correct option is identified…

Q: How to determine the number of observation in the model?

A: We are given the output of a multiple model predicting car mileage per gallon (mpg) as a function of…

Q: body mass index (BMI) of a person is the person's weight divided by the square of his or her height.…

A: Here , we want to test the claim that the mean BMI of US adults in the current year is greater than…

Q: Identify two main types of graphical displays that are used for qualitative data.

A: Qualitative variable: A variable that is used for classification of individuals based on some…

Q: For qualitative data, the mode is the best measure of center. True

A: Given data: For qualitative data, the mode is the best measure of center. Answer: True or false

Q: how do I describe the "measures of center and variability" of a chart?

A: The commonly used measures of center tendency are, Mean Median Mode In charts like histogram, the…

Q: If a person’s z score equals 2.08, what is their percentile?

A: Given info: The person’s z score equals 2.08.

Q: State whether the data described below are discrete or​ continuous, and explain why. The exact…

A: Given: The exact distances (in centimeters) between the chairs in a college classroom.

Q: What is the difference between data treatment and data analysis?

A: Solution: It is to mention the difference between data treatment and data analysis.

Q: How do you explain the variables of a histogram?

A: Histogram is a visual representation by showing the frequency of data that fall within a specified…

Q: How is correlation measured and how is the value interpreted?

A:

Q: A researcher finds that the amount of exercise one gets a week and cortisol levels are negatively…

A: Given: It is given that correlation is negative that is r = -0.60

Q: Are data at the nominal level of measurement quantitative or qualitative? Explain why.

A: Nominal level is qualitative which  give label on the data without giving numerical values.

Q: Define the term Qualitative variable with example?

A: Qualitative variable:  The variables which are not numerical  are called as Qualitative variables.…

Q: Define the Test a slope for significance?

A:

Q: Explain if two variables consist of nominal data?

A: Nominal Data: This  is used to label variables without providing  values that are quantitative in…

Q: What does it mean when a constant is added to every data value in a data set ?

A: when a constant is added to every data value in a data set, there will be a change in the…

Q: Explain why the data that come from the BBS are considered to be indices (not true population…

A: The North American Breeding Bird Survey (BBS) has been the cornerstone of continental bird…

Q: Why do we use area to represent frequency when we're graphing histograms?

A: Histogram :  It is graphical representation of frequency for continuous class intervals.    X-axis :…

Q: Differentiate between nominal data and ordinal data. Give at least two examples of nominal and…

A: Here we have to  Differentiate between nominal data and ordinal data.