The variation. curve describes are due to: a. Nonassignable causes b. Catastrophic failure c. Assignable causes
Q: The value y (in 1982-1984 dollars) of each dollar paid by consumers in each of the years from 1994…
A: a) The independent variable is t (year) and the dependent variable is dollar (y) paid by consumer.
Q: За. dementia patients in a nursing home, disruptive or aggressive behavior was recorded for full…
A: If one variable is depending on the other variable then we say that these are paired observations.…
Q: Does the relationship between the independent variable and the dependent variable changeas a…
A: Statistical relationship between two variables is referred to as the correlation.
Q: Classify the variable as either discrete or continuous. The following table shows the heights of the…
A: Continuous data is one which can take infinite number of values between an interval Discrete data is…
Q: Failing to meet one or more of the 9 Brandford-Hill criteria means that the studied relationship…
A: Casuality of the variables can be explained using the 9 Brandford-Hill criteria. It is a basic for…
Q: A random sample of 20 adults in a particular country were asked to state what type of birth control…
A: The given data represents the type of birth control methods use. The total number of samples is 20.
Q: he following information is collected from students upon exiting the campus bookstore during the…
A: Classify each of these variables as categorical or numerical. If the variable is numerical,…
Q: What is the sampling distribution of x when µ = 0? Normal with mean 0 and standard deviation 60.…
A: The population mean is 0.
Q: Rick Miller has just opened a new bakery in Frisco, Colorado, called Morning Fresh. In performing an…
A:
Q: 8)The dependent variable in a relation is usually placed in the and on the axis in a graph. a)…
A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: A table to show the data for obese and non-obese subjects is shown below. a) The relative risk for…
A: Given information: A table to show the data for obese and non-obese subjects is given, Need to…
Q: Identify the following variable. "Foot length of adults in inches' O a. Continuous variable O b.…
A: Answer: Option a. Continuous variable. "Foot length of adults in inches" is a continuous…
Q: All or nearly all of the observations fall within the interval
A: It is given that Mean = 79.6 and SD = 13.9
Q: Consider a population of 20 individuals. Each horizontal line in the figure below represents a…
A: The population size is N=20. Given that the horizontal lines represents the cases. The length of…
Q: The following data gives the monthly income (in thousand of rupees) of female and male urses of a…
A: From the given data we the average incomes of males and females as S.No. Female Male 1 46 34…
Q: A researcher thinks that watching violent televisions increases aggressive behavior in children. To…
A: The variable is said to be discrete if the values are countable and finite. The variable is said to…
Q: The variable with the largest positive Pj – Zj value is the a. artificial variable b. entering…
A:
Q: Classify the following variables as nominal, ordinal, interval, or ratio. Height of a bridge GPA…
A: The variables as nominal, ordinal, interval, or ratio:
Q: [Individual observations] 4,000 4,200 4,400 4,600 4,800 3,000 4,000 4,200 4,400 4,600 I (Rs.) : II…
A: For Group 1 : Data : 4000,4200,4400,4600,4800 First, we will calculate Mean : x¯=…
Q: alpha should be used? 4. Can you say with 95% confidence that Store 1 is producing sub sandwiches…
A: The data shows the sandwich measurements for three stores.
Q: By referring to the first graph, the define the type of risks: 1.1. Total Risk. 1.2.…
A: The define the type of risks: Total Risk. Systematic Risk (Non-Diversifiable Risk) Unsystematic…
Q: Moving to another question will save this response. Question 6 Determine whether the variable is…
A: Discrete variable: Its value is obtained by counting. Continuous variable: Its value is obtained by…
Q: Identify whether the given is a discrete or continuous variable. 1.The temperature of a cup of…
A:
Q: 1. Which of the following variables is numerical and continuous? ZIP Code Hair Color Age…
A: Zip code is a numerical Hair color is categorical data Age is a numerical and continuous data Shoe…
Q: lata.frame. We can access this data directly by using the assignment: x <- airquality$Wind (In R,…
A:
Q: Select the correct answer. A company that packages cold cuts needs to transport the packaged meat to…
A:
Q: Workers at an aluminium plant are placed into categories based on their duration of exposure, (in…
A: 1) In the given situation, the testing is based comparing the relationship between two categorical…
Q: The vertical distance between the actual value of Y and the estimated value of Y is known as _____.
A:
Q: You wonder whether talking to plants keeps them from dying. You conduct a study in which you talk to…
A:
Q: Q.39) A patient's blood pressure for the first 15 days of the month was recorded as follows.…
A: i)
Q: A study is being conducted to determine the prevalence of lung cancer in a population and the…
A: A study is being conducted to determine the prevalence of lung cancer in a population and the…
Q: What is the point prevalence on the end of January 2021? [ Each cold infection in represented by an…
A: Point prevalence is the number of persons ill on the date divided by the population on that date.
Q: BA) ,00 (A) 12. Can vaccination be regarded as a preventive measure for small pox from the data…
A: Solution:
Q: absence of the three physical defects viz development defect denoted by A, nerve signs denoted by B…
A:
Q: Which of the required conditions for cause and effect is easiest to establish in nonexperimental…
A: Let's define non-experimental research before answering this question where we do not conduct an…
Q: Which of the following statements is NOT TRUE regarding Box and Whisker Graphs __The distance…
A: TRUE STATEMENT The center line within the Box indicates the median of the data set, not the mean.…
Q: You are the owner of three local sandwich shops. Recently you've received compI customers that their…
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: A statistical study found a correlation between the percent of family income spent on food and the…
A: It is an example of a common-cause factor as the correlation between the percent of family income…
Q: The amount of time adults spend watching television is closely monitored by firms because this helps…
A:
Q: State whether the data described below are discrete or continuous, and explain why. The land areas…
A:
Q: FDIC bank failures. The Federal Deposit Insurance Corporation (FDIC) normally insures deposits of up…
A: X~Poisson distribution. Mean=29
Q: Subject Risk Age Blood Pressure Smoker 12 57 152 2 24 67 163 3 13 58 155 :5) Determine using…
A: We need to find if age of a person and risk rate are related to each other.
Q: Which of these statements is not a condition for an exposure to quality as a risk factor?…
A: The statement that is not a condition for an exposure to quality as a risk factor is:The observed…
Q: The Admission director for a college far from mart and town believes that an inverse relationship…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…
Q: 7.SP.4 Drag and drop the following definitions to match the vocabulary words. Mean Median Mode Range…
A: The definitions of Mean, Median, Mode, Range, and Variability are listed below. Mean: The mean of…
Step by step
Solved in 2 steps
- A sample of 350 Mathematicians is selected and several variables are recorded. Which of the following statements is correct? Mathematician's monthly income is a ratio level data. Socioeconomic status (recorded as “low income”, “middle income”, or “high income" is nominal level data. The number of field or subject of specialization is a continuous variable. The primary field of study is ordinal level data.No. Emp. No. Prod. Wkrs. Value Added by Mfg. Cost of Materials Value of Indus. Shipmnts New Cap. Exp. End Yr. Inven. Indus. Grp. 433 370 23518 78713 4 1833 3630 1 131 83 15724 42774 4 1056 3157 1 204 169 24506 27222 4 1405 8732 1 100 70 21667 37040 4 1912 3407 1 220 137 20712 12030 4 1006 1155 1 89 69 12640 13674 3 873 3613 1 26 18 4258 19130 3 487 1946 1 143 72 35210 33521 4 2011 7199 1 171 126 20548 19612 4 1135 3135 1 21 15 23442 5557 3 605 5506 2 3 2 287 163 1 2 42 2 2 2 1508 314 1 15 155 2 6 4 624 2622 1 27 554 2 52 47 2471 4219 2 292 929 3 74 63 4307 5357 2 454 1427 3 13 12 673 1061 1 20 325 3 17 13 817 707 1 84 267 3 169 147 8986 10421 3 534 2083 3 51 41 3145 4140 2 220 697 3 55 44 4076 7125 2 176 1446 3 84 76 3806 8994 2 423 1014 3 61 47 4276 5504 2 464 1291 3 27 22 1239 716 1 22 356 4 200 178 9423 8926 3 200 2314 4 294 250 11045 11121 3 189 2727 4 38 32 1916 2283 1 29 682 4 17 14 599 364 1 21 197 4 34 28 2063 1813 1 20…from Silva and Tenreyro (2017), plots the total fertility rate against real per capita income for 88 countries in 1960 (circles) and in 2013 (triangles). Figure 3 Fertility-Income Relation in 1960 and 2013 O 1960 4 2013 Fited line 1960 Fitted line 2013 GDP per capita (USS) Source: Authors using data from the World Development Indicatorn database. Note For a sample of 88 countries, the figure shows the scanerplos and fined line (that is, the kowess smoothed relationship or locally weighted snoothing function) between the total fertility rate and log of per capita GDP (in constant 2005 USS) in 1960 and 2013. The xaxis is log scale. Describe in words what the figure reveals about the relationship be- tween the level of income per capita and fertility in 2013 across countries and discuss to which extend the empirical relationship observed in 2013 is or is not consistent with the predictions of the Solow growth model with population growth, which takes fertility as exogenously given. In…
- Which of the following is an example of discrete variable? a. Number of customers visited in a store b. Temperature levels in various cities c. Height of students in a college d. Weight of new born babies in a hospitalFind WI if IE = 3 E G EW and YG are medians of AXYW8. Find Q.D. and its coefficient from the following data. Class 130- 134 160- 155- 159 12 135- 140- 140- 145- 150- Interval 139 164 144 21 149 154 Frequency 3. 12 28 19 5
- A random sample of 20 adults in a particular country were asked to state what type of birth control method they use. The results are in the table below. None None None Condom Condom Condom Pill Pill Other Other Pill Other Condom Condom Pill None Condom Pill Pill Other a) Since data were collected for variable(s), the correct graph to make is a . b) Complete the frequency/relative frequency table. Birth Control Type Frequency Relative Frequency None Condom Pill Other c) Which of the following is the correct bar chart for the given data? 2468Birth Control TypeFreqNoneCondomPillOther[Graphs generated by this script: setBorder(49,45,0,10); initPicture(0,13,0,8);axes(1000,2,1,1000,2); fill="blue"; textabs([165,0],"Birth Control…A 7. The analyst in the Dorben Company made 10 independent time studies in the hand paint- spraying section of the finishing department. The product line under study revealed a direct relation between spraying time and product surface area. The following data were collected. Study No. 1 2 3 4 5 6 8 9 10 Surface Area 170 12 150 41 130 50 70 105 95 (sq. inches) Standard Time (hours) 0.32 0.11 0.31 0.14 0.27 0.18 7 120 0.24 0.23 0.25 (7a) Compute the slope and intercept constant using regression line equations. (7b) What is the correlation coefficient? (7c) How much spray time would you allow for a new part with a surface area of 250 sq. inches? 0.22The independent variable in either a before/after t or a within subjects F is always of what data scale
- Rel ACTIVITY 2 Published Edit ⠀ The heights of 50 students, measured to the nearest centimeters, have been found to be as follows: 0o 161, 150, 154, 165, 168, 161, 154, 162, 150, 151, 162, 164, 171, 165, 158, 154, 156, 172, 160, 170, 153, 159, 161, 170, 162, 165, 166, 168, 165, 164, 154, 152, 153, 156, 158, 162, 160, 161, 173, 166, 161, 159, 162, 167, 168, 159, 158, 153, 154, 159 1. Create a frequency distribution table using the format shown below: Interval Tally Frequency Relative Frequency Cummulative Frequency 2. Draw a Histogram and Frequency Polygon using the frequency distribution table constructed in number 1. **Note: the activity must be handwritten. >>2) For each of the scatterplots below, CIRCLE the words that most correctly describe the corresponding plots related to type (linear or non-linear), correlation (positive, negative, none), and strength (weak, moderate, strong) a) Circle the best answers for i),ii) and i) i) Linear OR non-linear ii)Positive OR negative OR neither iii)Strong OR moderate Or weak b) Circle the best answers for i),ii) and iii) i)Linear OR non-linear ii)Positive OR negative OR neither iii)Strong OR Moderate Or weakFrom the following data of the daily wage of 500 workers of a factory find the number of workers : (a) whose wages are more than $ 370 but not more than $ 400. (b) whose wages are less than $ 370 but not less than $ 350. Wages not exceeding $ 300 =150 workers Wages not exceeding $ 350 = 180 workers Wages not exxceeding $ 400 = 240 workers Wages not exceeding $ 450 = 400 workers Wages not exceeding $ 500 = 500 workers