At SKYCTC, the average class size is 22. A recent survey of five math classes showed the average class size for those classes was 29. What is the parameter? What is the statistic? What statistic are we interested in? or

Q: Please help me figure out the T-Statistic

A: t stat=2.871

Q: The toco toucan, the largest member of the toucan family, possesses the largest beak relative to…

A: The independent variable x represents the value of the temperature and the dependent variable y…

Q: A department store has recorded the sales of the best selling can opener model during the last 6…

A: Given information: The data represents the observed values of the can opener sales for the last 6…

Q: The toco toucan, the largest member of the toucan family, possesses the largest beak relative to…

A:

Q: "Based on recent data, 80% of all part-time college students are female. A survey of 1000 college…

A: Parameter:A parameter is a function of observations in a population. It is an numerical quantity…

Q: a values that would allow 55% of the data to fall within the mean observing symmetry? Draw the curve…

A: Mean and standard deviation are given below:  μ = 8.70σ=2.1846 Z-score is a measure that indicates…

Q: what is the difference of fractile and quantile

A: Difference between fractile and quantile:

Q: When estimating an unknown parameter, what does the margin of error indicate?

A: Margin of error:Margin of error is a range of values that lie above and below the sample statistic…

Q: What is the graphical interpretation of the IVT?

A: The intermediate value theorem, IVT states that a continuous function f (x) within a closed interval…

Q: Does the table above represent a porportion relationship. Explain why

A: This question tells us about the direct proportionality relationship between quantity of cheese and…

Q: A researcher would like to know if IQ scores are related to age. Using 35 freshmen students, he…

A: Let ρ be the population correlation. The test is to check whether the IQ scores are related to age…

Q: Help me understand how to find the Quartiles

A: Given : data To find: quartiles

Q: A researcher would like to know if IQ scores are related to age. Using 35 freshmen students, he…

A: Solution

Q: Distinguish briefly the Parameters and statistics

A: A parameters is a values that describes some aspect of a population . A parameters may be very…

Q: P(Lung cancer | Smoker) is

A: The Given information shows that out of the total population 11% are smokers. as per the medical…

Q: What characterizes near multicolinearity?

A: Multicollinearity: Multicollinearity generally occurs when there are high correlations(>0.8)…

Q: i ile a in - filunir, mpwy leie ey Vhat s the mcec or the data? Need Help? Paad

A:

Q: The toco toucan, the largest member of the toucan family, possesses the largest beak relative to…

A: The regression analysis is conducted here by using EXCEL. The software procedure is given…

Q: Does that show that the tutoring worked? If not, explain why not and suggest a confounding variable?…

A: Answer:

Q: Consider two χ2-curves with degrees of freedom 12 and 20, respectively. Which one more closely…

A: Solution:

Q: The mean score on stat finals for all Hartnell students is 78/100. Is this a parameter or a…

A: The parameter represent the population .

Q: Your class results should suggest that even though sample values vary depending on which sample you…

A: It is given that p=0.45 and n=75.

Q: What is the similarities of parameter and statistics

A:

Q: hy is an interval estimate for the population preferred to a point estimate?

A: We know that  Point estimate : It is a single value (Statistic) used to estimate the population…

Q: Give a situation in your area that is an example of parameter and statistic, Explain why you…

A: A parameter is a function or characteristic of a population. A statistic is a function or…

Q: The majority of the students in Dr. Ahua's Introduction to Public Health course scored between 90…

A: Introduction: If the plotted curve of a distribution has a longer tail to the right or in the…

Q: Ms. Cruz wants to know the average weekly allowance of the grade 10 students. She randomly asked 50…

A: Parameter :  The parameter is a single value and it describe about the whole population.…

Q: Define the term Independent Variable?

A: Define the term independent variable.

Q: which two scales of measurements always require nonparametric procedures?

A: Non-parametric tests are used when assumptions of parametric tests are not met, or the data does not…

Q: If we took many samples of size 100 from the population of all inductees and recorded the proportion…

A: We know that if sample size is large enough then We say that the shape of the distribution is bell…

Q: For an individual with a trust in government score of 3, what would their predicted Y be? (Do not…

A:

Q: Solve with cubic spline method which interpolate the following dataset of (x,y) points: (97,16),…

A: To solve with cubic spline method which interpolate the following data set of (x,y) points: (97,16),…

Q: the temperature of a coffee cup is 185.3 degrees, is it a discrete or a continuos data set?

A: first we understooddefination of Discrete random variable→discrete random variable has a countable…

Q: Give a situation in your area that is an example of parameter and statistics.Explain why you…

A: parameter is related to population and statistic is based on the sample

Q: 7. Shows how close the point estimator to the value of the parameter as the sample size increases.

A: Consistency Shows how close the point estimator to the value of the parameter as the sample size…

Q: Find a furction that models the population

A:

Q: Temperature (oC)(oC) 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Percent heat loss from beak 33…

A:

Q: Is a point estimate a parameter or statistic?

A: here use definition of given term

Q: View the attatched photo and then answer the questions below. Thank you :) Min = ? Quartile 1 (Q1)…

A: We want to find the value of min,Quartile1(Q1),Quartile2(Q2),Quartile3(Q3),max

Q: What is mPRQ?

A: Given,

Q: State the empirical rule as specialized to variables.

A: Empirical rule- It is also called as 3-sigma rule, because in this all the data falls under 3…

Q: The distribution of cholesterol levels in teenage boys is approximately normal with μ = 170 and σ =…

A: Let X=cholesterol level in a teenage boy Given that X follows a normal distribution with mean= 170…

Q: State the empirical rule for variables.

A: The empirical rules for variables are as follows:68% of all possible observations lie within one…

Q: Paul wants to estimate the mean number of siblings for each student in his school. He records the…

A: A parameter is a number representing the entire population. Usually sample statistics is used to…

Q: explain this Histogram and gaves more information  and how the resistance data appear to be normally…

A: Histogram are used to visualize the data set, it helps to understand the spread of data and the…

Q: what is interval data?

A: Interval data: When the data are numerical values that can be added or subtracted, but not divided…

Q: The toco toucan, the largest member of the toucan family, possesses the largest beak relative to…

A: The regression analysis is conducted using EXCEL. The software procedure is given below: Enter the…

Q: A population of scores has a mean of µ=89, a median of 87 and a mode of 85. What is the most likely…

A: Given data, Mean=89 Median=87 Mode=85 What is the shape of the distribution?