Q1. Identify the incorrect statement below. Statistics is the study in which А. data is collected and analysed. B. mathematical tools are used to make forecasts. C. predictions about future events can be made with certainty. D. the risk of adverse outcomes can be managed. www O A. A О В. В С. С O D. D

Q: Suppose that there are 5 children in a gymnastics class. One day, they count the number of steps…

A: Given Information: The number of children in the gymnastic class=5 The mean number of steps children…

Q: 2 3 4 6. 8. A coin-operated coffee machine made by BIG Corporation was designed to discharge a mean…

A:

Q: 1. Explain what is meant by i. Primary data collection ii. Secondary data collection iii. State two…

A: Note: As per our guidelines we are supposed to answer only 3 subparts of any questions so i am…

Q: In a study to see if there is a relationship between students' consumption of alcoholic beverages…

A: As per question, There is relationship between student’s consumption of alcoholic beverages and…

Q: It's estimated that only abe probability that only 10 pe

A: Introduction: The formula for the binomial distribution formula: P(x)=nxpxq(n-x)

Q: 2. Suppose we have a data set of the number of traffic violations per day in NYC that was entered…

A: Given : he typed in that there were 1500 violations; but there were actually only 150 that day. we…

Q: P1-P2 12 200 200 0.025 0.021233817 -0.029694689 0.079694689 According to the output, what is the…

A: From the output, lower limit is -0.03.

Q: 9. Standardize this variable (i.e, convert all scores into z-scores): 5, 0, 4, 5, 1, 2, 3, and 4.

A:

Q: Explain the term variability (this is not asking for a definition).

A: Here we want to explain Variability.

Q: Resting heart rate varies among different people. Design an experiment and examine whether or not a…

A: Student InitialsResting Heart Rate (BPM)Post acitivity Heart RateJames(M)74123Robert (…

Q: Teduh 6. After three exams, Jenny has a mean score of 74. With only one exam remaining in the class,…

A:

Q: on the results of the relative risk and odds ratio in the last dataset, what can be said about the…

A: Without seeing the actual results of the relative risk and odds ratio calculations, it is not…

Q: Discuss why it is important to monitor forecast errors ?

A: Four reasons to track forecast accuracy:- 1.Improving your forecasting process requires the ability…

Q: a) If Q3 = 30, then 25% of the data is above 30 2. True 3.False

A: Given: Q3=30

Q: Professor Gatis Skride is hired by the Weightlifting Federation of Jeekabpils to study the body…

A: Given Information:  The mean weight is 219.05 pounds The median weight is 219 pounds The mode weight…

Q: 24) Which data set A or B has the best precision? Support your answer with the correct statistic and…

A: Precision tells us how close the measurements are to each other For both the data sets , we will…

Q: Errors in medical prescriptions occur relatively frequently. In a study, two groups of doctors had…

A: Given data is   Error No Error Total Electronic 254 3594   Written 1478 2370   Total…

Q: A scatter diagram cannot be created for more than 100 data values. O True False

A: FALSE

Q: 12. The library sold the following number of books each day during the first two weeks of this…

A: To find the interquartile range of the given data

Q: 1. Suppose that the observational units in a study are patients who have come into Petaluma Family…

A: Qualitative variable: A variable that is qualitative in nature is called a Qualitative variable…

Q: If the estimated mean of crashes at intersection is 10, what is the probability of having 5, 10 and…

A: Given the estimated mean of crashes at an intersection is; μ=10 Let, X = The number of crashes next…

Q: what is a statistical model

A: A statistical model is process of applying statistical analysis to the given data set and it…

Q: Create properly formatted tables that compare the prevalence of obesity with respect to sex and…

A: Given Information: No. of variables=02Variables=1. Level of obesity with respect to sex2. Level of…

Q: Define the concept of Consistency in statistics? when can we say data is perfectly consistent?

A: Consistency or a consistent estimator is one that uniformly converges to the true population value…

Q: If in a discrete data, 75% of the values are less than 30, then......?

A: we know that,  If Q1 is first quartile then we can say that 25% data points are below Q1. If Q2 is…

Q: 1. Identify each of the following as either descriptive or inferential statistics. a. The average…

A: Here I have answered for questions Q 1 with 3sub parts. Given data: Interfeential stastics and…

Q: lected the following measurements. peed (km/h) 30 40 50 60 70 80 90 ing Distance (m) 19.2 22.2 24.8…

A: Linear regression is a linear approach to model the relationship between a dependent variable and…

Q: Studies have shown that a positive association exists between educational level and annual salary;…

A: We are given that there exists a positive relationship between educational level and annual salary…

Q: Does the data provide evidence of an association between age and opinion of the band? Justify your…

A: The question is about categorical data analysis Given :   To find : c ) Does data provide evid. of…

Q: The value of a will change if you get a new data set. True False

A: A level of significance α, the Type I error is known as the probability of rejecting the null…

Q: Does cancer cause cell phones? What variables might confound this data?

A: Logically speaking it doesn't make any sense by the conclusion that the cancer cause cell phones.…

Q: what kind of statistical data might a barglar alarm company employ in trying to convince urdban…

A: Statistical Data: By statistical data, we mean the factual material used as a basis for discussion…

Q: Suppose that if an adult falls in the bottom 5% of the distribution of the amount of blood of…

A: Note: Hi there! Thank you for posting the question. Unfortunately your question has missing…

Q: 3. In a bar graph of qualitative data, the highest bar always corresponds to that data's А. Мean В.…

A: 3)  The highest bar always correspond to that data is Mean Option (A) is correct

Q: I have attached a picture of the question, please only answer section A, B, and C. Thank you.

A: Hello there! there are more than three subparts in the question. According to our policies we cannot…

Q: Which of the given data sets is less variable? а. 1,1,2,2,3,3,4,41,1,2,2,3,3,4,4 b.…

A:

Q: Resting heart rate varies among different people. Design an experiment and examine whether or not a…

A: Student InitialsResting Heart Rate (BPM)Post acitivity Heart RateJames(M)74123Robert (…

Q: When a set of data is very precise, it is necessarily very accurate. True False

A: Given the statement that When a set of data is very precise, it is necessarily very accurate.

Q: 9. Meridian Middle School coaches kept a record of the number of touchdowns scored by the football…

A:

Q: You would like to determine if there is a statistical relationship between the amount of caffein in…

A: a) In the above example number of  cups of the coffee sold is the response variable and amount of…

Q: Use the given data to complete parts (a) and (b) below. 薑 2.2 3.8 4 1.5 2.9 3.7 4.6 4.9 (b) Draw a…

A: Given:

Q: Do you think the results of the study might be applicable to the whole population? Why or why not?

A: This question is based on scope of sample survey.