Q3: Identify the type of data provided in each column printed in US geological survey providing real time, worldwide earth quake list

Q: For this assignment we will be using the R data set, state.277. This data set comprises of 8…

A: we have given a data of 8 features and the question is to construct a histogram of income variable…

Q: List one possible confounding variable for this analysis and explain what impact it might have on…

A: We are asked to list one possible confounding variable for the analysis and to explain its impact on…

Q: How does the size of the cross-tabulation table impact the chi-square value.

A: Introduction: The chi-squared data is often expressed in a cross-tabulation, where each row…

Q: What is the z-value and area if score is 70 ?

A: The score is 70

Q: what is the difference of fractile and quantile

A: Difference between fractile and quantile:

Q: Create new column names for each column in the new data frame created in step 2

A: Given :Create new column names for each column in the new data frame created in step 2

Q: Descriptives Year Level Stress N 60 60 Missing 2 2 Mean 2.50 5.56 Standard deviation 1.13 1.32…

A: We are given the descriptive statistics and box plot of two variables Year level and Stress and we…

Q: A factory deep in a fjord has over a long time released a certain type of heavy metal, and a mapping…

A: 1) It is reasonable to use heavy metal concentration as the Y variable and distance as the…

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: or out of control?

A: The data points from the chart are  1 90 2 96 3 87 4 94 5 89 6 86 7 84 8 85 9 88…

Q: Define the equation is used to predict HSGPA from SAT?

A:

Q: Justify whether each set of data as either discrete, continuous or categorical The number of blue…

A:

Q: If you do some survey and record the data same (as it is in survey forms). Then this type of data…

A:

Q: make a stem and dot plot for the following data.107, 114, 113, 109, 104, 112, 113, 118, 108, 105,…

A: The dot can be obtained by following below steps:Mark the suitable interval on the number line based…

Q: The height of a maple tree is 128.3 ft., is it a discrete or continuous data set

A:

Q: How to how to interpret scatterplots?

A:

Q: (b) What is classification of data? Explain the methods of classification.

A: The solution is as follows,

Q: What is an item in your house that has at least two different sized rectangles as cross-sections?

A: For a table, two rectangles meet at a line at the edges.

Q: For this question, use the file titled Practice_data_2.csv in D2L. The file comprises of the age,…

A: Loading the data in R:

Q: what kind of charts are used in to describe HTS data

A: High-Throughput Sequencing (HTS), also known as Next-Generation Sequencing (NGS), is a powerful and…

Q: The data is available at Weather in Hamilton in January 2020 (Ontario) - Detailed Weather Forecast…

A: Let us consider the central tendency measures as mean, median and mode: Let us denote X as the…

Q: (b) Suppose that the measurement 126 (the smallest measurement in the data set) were replaced by 48.…

A: Mean, median, and mode are measures of central tendency used to describe the center of a data set.…

Q: List the descriptive statistics that can be computed to help answer the health question on how…

A: Descriptive statistics is used to obtain the summary statistics of the data, which gives the brief…

Q: make a regression analysis about any healthcare issue

A: Let's perform a simple regression analysis on a healthcare issue. We'll analyze the relationship…

Q: . Explain/Interpret the Coefficient of Determination (R2) from the Excel output. 2. Write the…

A:

Q: Which of the following sets of data represent valid functions? OS = {(– 5, – 3), (1, 2), (6, 4), (8,…

A: To be a function, x value should not be repeated.

Q: A data set contains the observations 7,4,2,3,1. Find (∑x )^2.

A: Given the data set contains, 7,4,2,3,1, The symbol (∑X)2 means the square of the summation of all…

Q: A researcher collected data on how much extra sleep subjects got after being placed into one of two…

A: R code: Output:

Q: What makes a frequency table complete?

A: Frequency distribution Frequency distribution: The number of occurrence is known as frequency and…

Q: Why are graphs useful when interpreting data?

A: We have to defined why are graphs useful when interpreting data .

Q: What is Frequency Polygon?

A:

Q: 35% Healthy Hypertension or Diabetes I Heart Disease or Stroke 30% 25% 20% 15% 10% 5% 0% Slent more…

A: Solution Given figure represents the histogram for the sleeping time.

Q: Google "covid 19 california" and choose statistics from menu on left. Select data for "all time"…

A: From the given data:

Q: Establish a relationship between CDF and PDF.

A:

Q: What are two variables that will be can be used in a  chi-square analysis based in social work? What…

A:

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.