What type of variable is dosage in milligrams of medication

Q: It has been said the vitamin C has the ability to cure or prevent the common cold. Residents at a…

A: For the given data (a)    Describe how you would conduct a hypothesis test for this case.…

Q: standard deck with 50 cards — 25 red and 25 black — is shuffled. The probability that the top card…

A: 50 cards in a deck are shuffled. Among those 50 cards 25 are red and 25 are black. Total number of…

Q: The instructor takes her sample by gathering data on five randomly selected students from each Lake…

A: One of the types of probability sampling is called simple random sampling, or SRS, in which every…

Q: 0 1 2 3 4 5 6 179 26 2478 15699 368

A: Stem, Leaves                         0 6           1 1 7 9       2 2 6         3 2 4 7 8…

Q: A sample of 30 employees from large companies was selected, and these employees were asked how…

A: The responses are given as: Here, the response "none" is defined to be "not stressful at all".

Q: Suppose that a histogram is constructed for the frequency distribution shown below.

A: Histogram is used to measure the spread of the data set. It used to visualize the continuous data…

Q: Table 3.1 lists the total sales (rounded to billions of dollars) of six U.S. companies for 2008.…

A: The question is about measure of central tendency Given :   To find : Mean sales of these six…

Q: Want to explain these outputs?

A: ANOVA is the measure of mean significant between groups. If it has one categorical variable with…

Q: eight distribution. X = 70. Σ(x₁ - x)² = 120, Ey? = 240550, Σ(x₁ - x)(y₁ - y) = 150 alculate…

A: Hint:  Sample Covariance, Cov(x,y)=∑ixi-xyi-yn-1 The formula for Pearson's correlation coefficient…

Q: Listed below are the amounts (dollars) it costs for marriage proposal packages at different baseball…

A:

Q: What are the limitations of a population range of 25, a population variance of 72.9167, and a…

A:

Q: You may need to use the appropriate appendix table to answer this question. Males in the Netherlands…

A:

Q: Sample 1: 10 9 7 Sample 2: 10 6 6 Based on standard deviation, which of the two samples is more…

A: Given data: Sample 1: 10 9 8 7 8 6 10 6 Sample 2: 10 6 10 6 8 10 8 6 Here, n1=n2=8.

Q: Obesity as % of the adult population 20 30

A: Research explaining the recent credit bubble by obesity. The two variables are Obese Adults as a %…

Q: A simple random sample of 40 items resulted in a sample mean of 25. The population standard…

A: Given: Sample size = 40 Population standard deviation = 5 Confidence level = 0.95 Significance level…

Q: What is a scatterplot and how does it help us? Choose the correct answer below. O A. A scatterplot…

A: what is a scatter plot and how does it help us ? Select the correct choice ?

Q: You may need to use the appropriate appendix table to answer this question. According to Money…

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Q: help corrcect my answer for 4 part question please use diagram thank you

A: Concept: Tree diagram are used for portraying different probability of events using diagram approach

Q: If the population from which your samples are taken is not normally distributed, then sampling…

A: The shape of the sampling distribution of difference between sample means depends on the…

Q: The number of fishing rods selling each day is given below. Perform analyses of the time series to…

A: For the every days Data given for rod sold We have to calculate forcast value for week 13 =?

Q: Table 3.1 lists the total sales (rounded to billions of dollars) of six U.S. companies for 2008.…

A:

Q: The graph below shows the number of car accidents occurring in one city in each of the years 2001…

A: Concept:Histogram are used for graphical representation of quantitative data.

Q: If we collect a large sample of blood platelet counts and if our sample includes a single outlier,…

A: If we collect a large sample of blood platelet counts and if our sample includes a single outlier,…

Q: In the agricultural department, a test was conducted on a new variety of corn. The new corn was…

A: Given: n = 50 Xi = 50,   i = 1, 2, 3, ...50 Standard deviation σ = 10 Formula Used: Sample mean X =…

Q: Mark and John have decided to meet at the Pub 'Born to be Stochastic' between noon and 1pm without…

A: Here, Mark  and John have decided to meet at the pub 'Born to be Stochastic'  between noon and 1pm…

Q: Suppose that a study of elementary school students reports that the mean age at which children begin…

A: GivenMean(μ)=5.7standard deviation(σ)=1.2sample size(n)=60

Q: r=r=

A: Given that    X Y X \cdot YX⋅Y X2 Y^2Y2   4 27.26 109.04 16 743.1076   5 28.55 142.75 25…

Q: USE DESCRIPTIVE STATS A report shows that Covid-19 reduced household expenditure in Europe by 8% in…

A: Given Information: Consider the given dataset: Average Monthly Household Expenditure (SG$)…

Q: IF n < 30 AND T = SHOW HOW THE 100(1-2a) % CONFIDENCE INTERVAL FOR IS DERIVED

A: If the sample size is less than 30 and the sample standard deviation is not known, one sample t-test…

Q: A random variable X has the following probability distribution. 3 P(x, ) If a simple random sample…

A: A random variable X has the following probability distribution xi 3 4 5 p(xi=x) 0.2 0.4 0.4…

Q: Continuous quantitative variables must have decimals to be valid. True False

A: Concept: Continuous variables are those which can assume infinite number of values between any two…

Q: If the number 8 is removed from the data in Problem 1, is the standard deviation  of the remaining…

A: Introduction: It is required to determine how removing the number 8 from the data set affects the…

Q: Employees at the Ripley’s Believe It or Not! Museum in Myrtle Beach, South Carolina, declare that…

A: (a) The objective is to identify the hypothesis presented in this story:

Q: An order for a computer system can specify memory of 4, 8, or 12 gigabytes and disk storage of 200,…

A: We have given the following information about the computer system.

Q: Listed below are the amounts (dollars) it costs for marriage proposal packages at different baseball…

A: The observed sample values are given as: 37, 50, 50, 65, 70, 80, 90, 120, 190, 208, 270, 350, 450,…

Q: Task II: Your manager asked you to answer the following: A) Define quantitative and qualitative…

A: Given: To Answer the Given Questions.

Q: In a computer game, different units are created randomly with different levels of range and…

A: The data shows the different levels of range and Aggression.

Q: If you view the company’s performance record as a representative sample of its overall sales…

A: Data given in order Monthly Sales 6267.19 7058.06 7119.5 7147.18 7198.52 7298.09…

Q: The following are the scores of 30 college students on a statistics test. 75 52 80 96 65 79 71 87 69…

A: Given that  The data are 75 ,69 ,52 ,72 ,81 ,96 ,61 ,65 ,76 ,79 ,86 ,71 ,79 ,87 ,68 ,93 ,50 ,92 ,83…

Q: Want to explain these outputs?

A: Normality of the test is used to determine the population follow normal distribution or not. It can…

Q: A credit card contains 16 digits between 0 and 9. However, only 10 s the probability that it is a…

A: There are 16 digits between 0 and 9 in credit card. 100 million numbers are valid.

Q: Spread: Frequency Outlier: 15 10 5 6 Defects per hour Describe the distribution in this histogram…

A: The histogram of quality defects is given.

Q: If you view the company’s performance record as a representative sample of its overall sales…

A: Given:   X 1 7704.98 2 8456.66 3 7798.23 4 7147.18 5 9484.62 6 8282.44 7 7355.97…

Q: There are 32 applicants for a job in a finance consultancy and auditing firm for 20 vacant posts. Of…

A: Given that  Total applicants = 32  Vacant posts = 20 Women = 10 Men = 22

Q: The average income of a large sample of households is $63,000 and the s.d. is  $7,000. Assume that…

A:

Q: dentify the symbols used for each of the following: (a) sample standard deviation; (b) population…

A: Mathematically, the standard deviation is the square root of the sum of the difference between…

Q: Class: Frequency: Calculate the median of the following frequency distribution: 30-40 40-50 10 16…

A: Solution: Class Frequency (f) cf 20 - 30 6 6 30 - 40 10 16 40 - 50 16 32 = cf (L = 50) -…

Q: Consider the following data set z represents the month, y represents the number of dialysis patients…

A: Given: X represents the month  Y represents the number of dialysis patients

Q: Barron's reported that the average number of weeks an individual is unemployed is 18.5 weeks. Assume…

A: Given, the population mean =  and population SD = σ = 6 Since the population is large, we assume the…

Q: Identify which of these types of sampling is used: random, systematic, convenience, stratified, or…

A: given data we have to identify type of sampling used method : a market researcher has partitioned…