Speed Group (ml/h)Number of Vehlcles Observed (N) 15-20 20-25 25-30 9. 30-35 18 35-40 35 40-45 42 45-50 32 50-55 20 55-60 9. 60-65

Q: Help with 4

A: Given points are in an non- linear line. The given points denote as variable sample size chart of x-…

Q: disp hp qsec wt Use the following visualization to answer questions 2 - 4. mpg drat drat mpg qsec wt…

A: The three variables displacement, horsepower, and weight have the strongest negative correlations…

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: A negative correlation means that as the values on X increase, the values on Y O increase decrease O…

A: The objective of the question is to understand the meaning of a negative correlation in statistics…

Q: List 7 ways of representing data

A: Data can be represented using tables, charts and graphs.  Different ways of graphical representation…

Q: Which of the following sets of data represent valid functions? OS = {(0, – 1), (3, 1), (6, 4), (7,…

A: Function: A function from X to Y denoted by f:X→Y is defined as the given set of order pair x, y…

Q: write down the method of data collection from primary and secondary sources

A: Solution : Method of data collection from primary and secondary sources : 1) Primary Data :…

Q: 5.

A: Given:

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: True or false: A scatter plot can show that a change in one variable causes a change in the other.

A: The scatterplot of two variables only show how the two variables are association with each other by…

Q: A researcher finds a correlation (r) of 0.50 between height and weight. what variation in weight can…

A: Given: Correlation (r) = 0.50

Q: An instructor teaching an 8 am class randomly samples a group of students who regularly attend class…

A: Generally Coffee tends to reduce the amount of sleep a person gets. So, we expect that more the…

Q: Assume the correlation coefficient between size of a house in square feet X and monthly electric…

A: The correlation shows the relationship between 2 variables.

Q: On some charts you can show more than one set of data on the same chart. What about for cumulative…

A: Introduction. From the above question we have to discuss about cumulative frequency graphs .

Q: State the type of correlation between the number of hours students spend studying and the number of…

A: Correlation is the measure of linear association between two quantitative variables. If one…

Q: gives applicants represent simple random samples of men and women who apply for these jobs. Complete…

A: A confidence interval is a statistical concept used to estimate an interval within which a…

Q: What makes a frequency table complete?

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

Q: Use a graphing calculator to make a scatter plot of the amounts Leah will accumulate for years 1…

A: Given: Year Amount with interest  Deposit Total amount 0   1200 1200 1 1255.13 1200 2455.13…

Q: Describe the three primary charts and graphs used to organize and display data.

A: Here we describe the three primary charts and graphs to display the data.

Q: explain the concept of positive correlation

A: Correlation refers to the relationship between between two variables. It can be positive or…

Q: Indicate that they are qualitative and quantitative data, give 2 specific examples and indicate when…

A: To give examples of qualitative and quantitative data and provide the definition

Q: e, negative, or no correlation. 3.

A: A positive correlation is a relationship between two variables in which both variables move in the…

Q: Last summer, the Smith family drove through seven different states and visited various popular…

A: Data 2.34,2.75,2.48,3.58,2.87,2.53, 3.31   Range = maximum- minimum.

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: Which equation is the best fit for the data in the table? * Y 3 2 12 5 27 8 48 11 O…

A:

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: What do you mean by relative frequency?

A: To understand the relative frequency let me first explain the frequency. Frequency - The number of…