While it is known from data on national sales that 25% of cars sold are sedans, a survey in one city indicated that 21% of individuals owned one. Identify which of the numbers is a parameter and which is a statistic.

Q: What is the second smallest number?

A: Here given , A data set has five values. The smallest value is 5, the mean is 12.6, the median is…

Q: Imagine a study comparing two groups:  undergrad vs. graduate students in terms of stress level.  To…

A: Provided that here is a study comparing two independent groups :  undergrad vs. graduate students in…

Q: An ambulance service responds to emergency calls for two counties in Virginia. One county is an…

A:

Q: A researcher collects data from 50 different individuals and wants to understand the correlation…

A: The objective of the question is to determine the degrees of freedom in a correlation analysis…

Q: A college counselor wants to determine if the number of hours spent studying for a test can be used…

A: An explanatory variable is the one which can be changed independently or what you manipulate or…

Q: A group of 100 students was surveyed about their interest in a new International Studies…

A: Given: Number of students with high interest (frequency with high interest) = 30 Total number of…

Q: A set of data has a mean of 16, a median of 15, and a mode of 14. Which of these numbers must be a…

A: Given data, Mean=16 Median=15 Mode=14 Which of these numbers must be avalue in the data set?

Q: An insurance company crashed four cars of the same model at 5 miles per hour. The costs of repair…

A: An insurance company crashed four cars of the same model at 5 miles per hour. The costs of repair…

Q: The Condé Nast Traveler Gold List provides ratings for the top 20 small cruise ships. The data shown…

A: Given information: The data represents the values of the variables overall score, shore excursions…

Q: A set of data has a mean of 16,  a median of 15 and a mode of 14. which of these numbers must be…

A: From the information, the mean is 16, median is 15 and mode is 14.

Q: For each student in a study, demographic data are collected, including age, gender, and…

A: For each student in a study, we are collecting the demographic data including age, gender, and…

Q: At a university 60% of students take a math course, 50% take an English course. Assume Math and…

A: It is given that at a university 60% of students take a math course, 50% take an English course. It…

Q: Does the situation describe a parameter or a​ statistic?   The percentage of families and…

A: We have to find the situation.of given data

Q: A researcher determines that 8% of the males enrolled in Introductory Psychology have some form of…

A: Given information:      Proportion of men affected by color blindness = p1 = 0.08      Proportion of…

Q: Which of the following is not a common data source? A. Customer Surveys B. Social Media Platforms…

A: The given information states that thethe data sources are given.A) Customer Surveys,B) Social Media…

Q: Male and female athletes exercised for an hour on a treadmill. During this time, half of each sex…

A: To use: What statistical test should be used to see how sex and type of beverage affect lactic acid…

Q: Marketing managers are prone to look at the estimate and ignore sampling error. An SRS of 24 stores…

A: For "this year's sales":The sample size, n1=24.The sample mean, x¯1=83.The sample standard…

Q: researcher collects data from 30 different individuals and wants to understand the correlation…

A: the sample size is n=30

Q: in a gallup poll of randomly selected adults, 66% said that they worry about identity theft.  For a…

A: Given,         sample size(n) =1013    The probability of an adults said that     They worry about…

Q: If a data set is small , like one that has only six values . Why bother to contrast a histogra

A: From the above given data the following solution is provided below:

Q: ar Theight (m) - Weight (Kg) - biological sex - social class how did you get into university where…

A: The numerical data can be divided into two parts. One being discrete and other continuous. As the…

Q: National Geographic Explorer 89.1 93.1 89.7 Silver Cloud 88.7 78.3 91.3 Celebrity Xpedition 87.2…

A: a) We use excel to estimate the regression equation that can predict the overall score given the…

Q: A recent poll of 2940 corporate executives showed that the average price of their cars is $31,800…

A: Introduction: The poll consists of 2940 corporate executives. The average price of the cars owned by…

Q: The price drivers pay for gasoline often varies a great deal across regions throughout the United…

A: State the null and alternative Hypotheses: Null Hypothesis: H0: There is no significant difference…

Q: A researcher wants to analyse whether there is a relationship between country of origin of…

A: Introduction: The best possible way to obtain the required information would be by enumerating all…

Q: The government sample survey of 60,000 households each month that produces data on employment,…

A: A. General household survey :  General household survey is a survey which was conducted about…

Q: Interpret scatter diagram and descriptive statistics.

A: Interpretation From the scatter Diagrama) It shows that with the increase in fertility rate Life…

Q: A study asked people many questions about their cars. One question was the reason that a person…

A: SafetyReliabilityCostPerformanceComfortLooks806844414127Total no. of cars=301In this study there are…

Q: Suppose you wanted to create an index for rating the quality of colleges and universities. What are…

A: An index is a composite statistic.

Q: The National Collegiate Athletic Association (NCAA) requires colleges to report the graduation rates…

A: