(a) The length of time it takes to fill up your gas tank. answer: (b) The number of errors found on a student's research paper. answer: (c) The number of customers waiting in line at the grocery store. answer: (d) The temperature in any given location. answer:

Q: I want to compare the percentage of people who have a college degree in California (population about…

A: (a) The researcher wants to compare the percentage of people who have a college degree in California…

Q: 7. The time required to drive from Atlanta, Georgia, to Nashville, Tennessee, varies average speed…

A: we know, Time=distancespeed thus we observe that time is inversely proportional to speed. i.e.  if…

Q: 4. For a 2 months case the sum of squared errors under WMA will be -

A: The objective is to compute the sum of squared errors for weighted moving average The formula to…

Q: nd believes that the number ne caregi Page ome data is provided below: 1 s the score Jords Per Day…

A: According to the  sum, x=17422,sx=3506.492 and y=85 sy=7.176 The correlation between words per day…

Q: 1. It takes Francisco 15 minutes to ride his bicycle 4 km, which is the distance from home to…

A: Given that:                          1. Distance= 4km and time = 15 min2. Distance = 8km and time =…

Q: A bottle of medicine is to be stored at a temperature between 5C and 10C. What range does this…

A: A bottle of medicine is to be stored at a temperature between 5C and 10C. We need to find the range,…

Q: At a hospital, doctors performed 78 Caesarean sections (C-sections) out of a total of 213…

A:

Q: Visitors to a supermarket in Singapore were asked to complete a customer service survey. Are the…

A: A quantitative variable has the characteristics expressed in numerical terms and the discrete…

Q: a. What proportion of the costs are between $15,000 and $45,000? b. What proportion of the costs are…

A: Given: costs are normally distributed with mean = 30000 standard deviation = 9000 let X be the costs…

Q: In each of the following situations, identify the population, the units, and each variable that is…

A: Population : The group of individuals/units from which statistical samples are drawn for a…

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A:

Q: If there is 15,000,000 of occupied sf of office space in San Antonio, an 75,000 office workers in…

A:

Q: 1Patricia is trying to compare the average rainfall of New York to that of Arizona. A comparison…

A: Given 1 A comparison of rainfall between two states for the month of July  through September…

Q: c) the gestation time differs from the mean by more than 3 weeks. d) of 100 boys born in upstate NY…

A: Given, for males born in upstate NY, the gestation times are normally distributed with a mean of 39…

Q: 1. What are the measures of position? 2. How important are measures of position in our daily life?

A: Measures of position comes under the topic of Descriptive Statistics.

Q: A microbiologist wants to estimate the concentration of a certain type of bacterium in a waste-water…

A: A microbiologist puts a 0.5 mL sample of the wastewater on a microscope slide and counts 39…

Q: Attempt 3 In a study of exhaust emissions from school buses, the pollution intake by passengers was…

A:

Q: b) For which time periods during my exam was my heart rate decreasing? c) How many turning points…

A: Since you have asked multiple part question, we will solve the first 3 part of the question for you…

Q: researcher collected 2000 blood samples from a population， hoping to check out the positive rate of…

A:

Q: You think your car’s fuel efficiency is much lower than it should be. The average fuel efficiency of…

A:

Q: Total blood volume (in ml) per body weight (in kg) is important in medical research. For healthy…

A: (a). Identify the level of significance: Level of significance: Level of significance is the…

Q: s the newly hired manager of a company that provides cell phone service, you want to determine the…

A: It is given that margin of error (E) is 0.92 and the confidence level is 0.90.

Q: 2.515 Find the absolute error and percentage relative error, when e is approximated by p*

A:

Q: Prices for meal rate plans on college campuses in WV during academic year 2017-2018 are measured on…

A: We have to find type of data.

Q: What is the difference between the average resistance to happiness at age 20 and at age 70?

A: Given :-  R = 4.6 - 0.02x put x = 20. ⇒R=4.6 - 0.02 × 20⇒R=4.6 - 0.4⇒R=4.2 Now, put x = 70 ⇒R=4.6 -…

Q: decided to buy 952 Catfish for her pond in 2009. The number of catfish rose by 9% in 2010, fell by…

A: a. What is the average rate by which the number of Catfish rose in Fatema’s pond over the first…

Q: In an outbreak of typhoid fever among attendees of an acquaintance party, 99 persons ate spaghetti,…

A: Given that:  n1=99  x1=30 n2=63 x2=20

Q: Last year's freshman class at Big State University totaled 5,348 students. Of those, 1,263 received…

A:

Q: O B. Yes, the pulse rate of beats per minute appears to be an outlier because it is far away from…

A: Answer 77)  The expression Zα  denote the Z score with an area of αto its right.    p(z>zα)=α

Q: he manager of the customer service division of a major consumer electronics company is interested in…

A: It is an important part of statistics. It is widely used.

Q: For the Dakota problem: a. Solve Dakota's LP and run a sensitivity analysis. b. If 18 finishing…

A:

Q: Deflation is..

A: Given, To define deflation

Q: How many samples must be considered from a population of 28,000 students, if 5% margin of error is…

A: Answer:-----.                     Date:----30/09/2021 In these three questions I can solve only…

Q: Civilian Employment = 157722 Unemployment = 6270 Not in Labor Force = 99333 Working-Age…

A: Given Working-Age population =263,325 Civilian Employment =157,722 Employment population ratio =?

Q: C)ln how many observation periods were for or more customers observed exceeding the item limit? P)…

A: The frequency distribution of the number of customers exceeding the item limit is given.

Q: What is the drawback of the nominal measurement?

A:

Q: Bill scored 1200 on the Scholastic Aptitude Test and entered college as a physics major. As a…

A: Given, Bill scored 1200 on the Scholastic Aptitude Test and entered college as a physics major. As a…

Q: Solve the following problems.a. After 8 points are added to each score in a sample, the mean is…

A: The sample mean of a sample is computed by dividing the sum of observations by the total number of…

Q: the brand manager for a toothpaste brand must plan a campaign designed to increase brand…

A: The error is ±1.96×p1-pn=0.05assume p=0.5. This will give the most conservative estimate square on…

Q: Can you help me in the second question What was the power consumption at 9 p.m.

A: Topic:- geometry

Q: 3. What is the temperature of the soup after 5 minutes?

A: It is simply solved by using the integration of increasing rate given.

Q: Imagine you are trying to design a study in which you will measure alcohol use. Provide an…

A: Nominal scale is used for labeling variables into distinct classifications. It is also called as the…

Q: at is Mrs. Gonzales's cholesterol level?

A: Let , X→N(μ=240 mg/dL , σ=20 mg/dL) Our aim is to find Mrs. Gonzales's cholesterol level.

Q: Company X pays its 50 employees a mean monthly salary of Php19,500; a second company Y pays its 62…

A: Given that Company X pays its 50 employees a mean monthly salary of Php19,500; a second company Y…

Q: medical researcher randomly assigns 100 high-risk heart patients into two groups. One group will get…

A: We know that  Nominal data: Nominal data measure qualitative data and it is the name of variable.…

Q: Is body temperature a nominal, ordinal,​ interval, or ratio?

A: Nominal: When the possible observations are tags or categories or names, without any natural…

Q: 2. Nazirs annual income is OMR 288000. His saving amount is OMR 36000. The ratio of his saving to…

A: Solution:     Nazirs annual income is OMR 288000. His saving amount is OMR 36000.     Therefore His…

Q: The educational impact is a criterion for measuring the extent to which the individual applies it in…

A: True

Q: researcher thinks that watching violent televisions increases aggressive behavior in children. To…

A: Here we can see that there are 48 TV in the above problem. We divide into three groups.

Q: 6. When Paul crossed the finish line of a 60 meter race, he was ahead of Robert by 10 meters and…

A: Let Paul=P , R=Robert, S=Sam We sketch the situation roughly