Which charts are used to display information about nummerical variables? (select all that apply) Cluster column chart Line chart Pie chart Bar chart
Q: A fall survey of 2 and 4 year college students showed that of 167,000 students who responded, 65,130…
A:
Q: i) If Ho is rejected when Σ2₁X₁ ≤ 6. then what is the probability of type I error?
A:
Q: Suppose that you have recently started taking a train to work in a new location. You would like to…
A: According to the question, the Beta distribution is assigned as the prior distribution. Beta…
Q: Determine the appropriate critical value(s) for each of the following tests concerning the…
A: a. Suppose μ is the population mean.
Q: 2) A new quality assurance process developed in Limpopo by Mr Masela for a newly introduced Sephaku…
A: Sampling distribution of sample mean follows normal distribution.
Q: Assume that a procedure yields a binomial distribution with n = 871 trials and the probability of…
A: From the provided information, Number of trials (n) = 871 And p = 0.17
Q: It is believed that 23.44% of U.S. homes have a direct satellite television receiver. How large a…
A: From the provided information, It is believed that 23.44% of U.S. homes have a direct satellite…
Q: What hypothesis test is appropriate for the study? 2. What is the value of the df? 3. What is the…
A: Given data: Plant A Plant B 3952.80 4036.00 3276.00 4036.00 3636.00 4036.00 3636.00…
Q: The results of an independent -samples t test yield: MX = 10, MY = 7, s2 pooled = 1.65. What is the…
A:
Q: Below a scatter diagram for x and y. The sample correlation coefficient for the data r = -0.823. 100…
A: Given: Sample size n = 7 The correlation coefficient r = -0.823 Formula Used: If the amount of…
Q: Section 6.1-Practice Quiz In the following probability distribution, the random variable X is the…
A: Introduction A probability distribution is a statistical expression that summarises all the…
Q: and after the treatment. The changes (before-after) in their levels of LDL cholesterol (in mg/dL)…
A: Given n=sample size=49, Sd=17.1, mean difference x̄d=2.8 Level of significance ɑ=0.05
Q: Researchers believe that men are more physically aggressive than women. To test this, researchers…
A: Population: All peopleSample: 20 randomly selected people (10 male, 10 female)
Q: Engineers want to design seats in commercial aircraft so that they are wide enough to fit 95% of…
A: Given that Mean = M = 14.6 , Standard deviation = SD = 0.9 X ~ Normal (M = 14.6 , SD = 0.9)
Q: Consider the following boxplot. 1.5 IQR a. Does the boxplot indicate possible outliers in the…
A: given data data is calle outlier if it is below Q1-1.5IQR or Q3+1.5IQR
Q: A study on 21 female golden ord weaver spiders reported the body mass (in grams). The weights had a…
A: From the provided information, Sample size (n) = 21 Sample mean (x̄) = 0.365 g Standard deviation…
Q: What type of sampling was used? When collecting data from different sample locations in a lake, a…
A: It is given that the statement about to the type of sampling. Here, need to find the correct choice…
Q: If o(t) is the real valued characteristic function of a r.v. X, then prove that : (ii) 1 + $(20) ≥ 2…
A:
Q: You received a 74% on a quiz. You are curious about how you did in the class overall and want to…
A: Please note that as per our guidelines in a multiple sub-parts question we can answer the first…
Q: y you didnot calculate the right tail? why we dont have CHIDIST(23.324,39)?
A: Given that Population standard deviation =7.5
Q: Prove that average reduces Variance
A: Hint: The average is the mean of all observations. It gives the central value of the data. The…
Q: A card is selected at random from a standard 52-card deck. (a) What is the probability that it is…
A: Answer: From the given data, Number of cards in a deck = 52 Number of aces in a deck = 4 Number of…
Q: The mean number of close friends for the population freshman college students in the U.S.A. is u…
A:
Q: QUESTION 1 Let X₁, X2, ..., X20 be a random sample from a population X with density f(x; 0) =…
A: X~Ber(θ) Farmula used nCr=r!/(n!(n-r)!) r!=r(r-1)x..3×2×1
Q: What does it mean if your score on the math portion of the SAT is in the 76th O it means that 76% of…
A: The percentile score is the percentage or proportion of the score that is less than or equal to a…
Q: In analyzing hits by certain bombs in a war, an area was partitioned into 571 regions, each with…
A: The total no. of partitioned area (n) is 571. The total no. of bombs that hit the combined area (x)…
Q: 2) A new quality assurance process developed in Limpopo by Mr Masela for a newly introduced Sephaku…
A: Given that Mean = 5000 , Standard deviation = 120 , Sample Size = 50
Q: Five individuals have responded to a request by a blood bank for blood donations, but their blood…
A:
Q: 1) Let X₁, X₂,..., X20 be a random sample from a population X with density f(x; 0) = {0* (1 - 0)¹-*,…
A: X~Ber(θ) Farmula used nCr=r!/(n!(n-r)!) r!=r(r-1)x..3×2×1
Q: Use the given Normal curve to answer the question. 16 28 40 52 64 76 88 What score has a z-score of…
A:
Q: Use the given Normal curve to answer the question. 16 28 52 3 What % of the data has a z-score…
A: compare normal curve with standard normal curve with values, μ-3σ, μ-2σ, μ-σ, μ, μ+σ, μ+2σ, μ+3σ∴ μ…
Q: Multiple-choice questions each have five possible answers (a, b, c, d, e), one of which is correct.…
A: It is given that a multiple-choice have five possible answers.
Q: 5-30. If x is uniform in the interval (10,12) and y = x³, (a) find fy(y); (b) find E(y): (i) exactly…
A: It is given that x follows Uniform distribution with parameters a=10 (minimum value) and b=12…
Q: Find the value of the test statistic. (Round your answer to three decimal places.) 2.988 X Find the…
A: Given :
Q: Below a scatter diagram for x and y. The sample correlation coefficient for the data r = -0.823. 100…
A: Correlation: The statistical relationship between two variables is known as correlation. It is…
Q: P(x) 0.3 0.3 2 0.05 3 0.35 X 0 1 Find the standard deviation of this probability distribution. Give…
A:
Q: 1) Let X₁, X₂, ..., X20 be a random sample from a population X with density ƒ (x; 0) = {0* (1 −…
A: X~Ber(θ) Farmula used nCr=r!/(n!(n-r)!) r!=r(r-1)x..3×2×1
Q: 48. Suppose the temperature of healthy humans is approximately normal with a mean of 98.6 degrees…
A: It is given that Mean, μ = 98.6 Standard deviation, σ = 0.8 Note: According to Bartleby expert…
Q: 3. A sample taken from a population yields a sample mean of 58.4. Calculate the p-value for each of…
A: In testing of hypothesis, there are always two hypotheses - null and alternative. These two…
Q: What is the event that the outcome of rolling a fair dice is an odd number?
A: Given that Rolling of fair dice the the sample space is. S={1,2,3,4,5,6} S=6
Q: The table below shows the number of male and female students enrolled in nursing at a university for…
A:
Q: Suppose that 70% of all students in a large university pass all their classes. Find the probability…
A: Given: 70% of all students in a large university pass all their classes i.e., p=0.70 Sample size…
Q: A police department in a rural county reports that its response time to 911 calls is approximately…
A: The values provided in the question are as follows : Mean (µ) = 16, and Standard deviation (σ) = 8.7…
Q: The probability density function of the weight of packages delivered by a post office is f(x) a)…
A: Given that We have to find a...Mean and Variance of X b .the average shipping cost of a package…
Q: Find the probability that all 6 claims are made by males under age 25.
A: Given that n = 6 , p = 70% = 0.70 , q = 1 - p = 1 - 0.70 = 0.30 X ~ Binomial (n = 6 , p = 0.70) X =…
Q: In the country of United States of Heightlandia, the height measurements of ten-year-old children…
A: The following information has been provided: Let X be a random variable represents the height of a…
Q: What is the standard divisor?
A: From given data we have : Total population = 1781 additional nurses = 48
Q: Due to a manufacturing error, four cans of regular soda were accidentally filled with diet soda and…
A: given data 4 - diet soda 8 - regular soda ________________________ 12 - total soda pack select…
Q: what would happen to the mean, median, and mode values that you calculated ,if you added one player…
A: GivenThe data distribution is skewed to right and the Mean > Median > Mode as shown in box…
Q: A new quality assurance process developed in Seoul by Mr Yu for a newly introduced Cement results…
A: There are two types of errors namely, type l error and type ll error. Type l error : Type l error…
Which charts are used to display information about nummerical variables? (select all that apply)
Step by step
Solved in 2 steps
- Determine the types of all variables obtained from this survey.1.List the advantages and disadvantages of using relative frequencies in place of frequencies, in constructing histograms and frequency polygons ? 2.consider a research from any feild and classify the variables as descrete or countinous? 3.Describe a binary odinal variable from any area of researchProvide a written interpretation or summary of the histograms and bar plots attached. This can be no longer than one-page. Eg What do they say about the symmetry modality and variability?Are they symmetric or are they skewed?
