1.3 canada Youth admissions to correctional services, by age and sex 2019-2020 Age at admission 12 year old 13 year old 14 year old 15 year old 16 year old 17 year old 18 year old & more a) linear regression line; b) histogram; c) relationship between variables. number 6 62 194 343 492 548 83

Q: 1. A random sample of n = 20 products are taken from the production lines of a factory. Let = 1,...,…

A: The defective no. of items in the sample are denoted as: T=∑i=120Xi. It is specified that H0 is…

Q: The test statistic is (Round to three decimal places as needed.) The critical value is (Round to…

A: the null and alternative hypothesis  H0 : p1=p2=p3=p4 = 1/4 = 0.25 Ha : At least one of proportion…

Q: Consider the following situation. a left-tailed test with a = 0.01 Find the appropriate rejection…

A:

Q: If the pdf of a random variable X is f(x) = {0,0 0.15-0.15(x-0.5), x ≥ 0.5 otherwise Find the moment…

A:

Q: denotes the proportion of defective products in the population. It is desirable to the the…

A:

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Given,Mean(μ)=261standard deviation(σ)=39Let X be the distance in feet for a fly ball.

Q: a) Suppose that Y₁, Y2,..., Yn is a random sample from a normal distribution with parameter mean 0…

A:

Q: . A survey by the National Retail Federation found that women spend on average R146.on a Saturday…

A: given data normal distributionμ = 146σ = 29.44P(x<190)= ?

Q: The weight of a green forest frog has a normal distribution with mean 150.3 g and a standard…

A:

Q: 2. The following data represent the height of plants using 4 different materials of pots after one…

A: Given the data represent the height of plants using 4 different materials of pots after one month in…

Q: why do you think the data presented this way?

A: The 2 different factors considered are: Human Factors Land Use Ozone Aerosols Greenhouse…

Q: B 33 Hawai NV ID t Electoral votes by States UT 15 MT WY 8- CO NM ND 3 NE KS Eg OK B OA. Nebraska,…

A: Given the map of U S containing the electoral votes as

Q: The following are the grades of 16 students in Life and Works of Manny Pacquiao subject:…

A: Average=sum of the observationsno.of observations

Q: A poll was conducted to investigate opinions about global warming. The respondents who answered yes…

A: It is needed to check the claim that whether the sex of the respondent is independent of the choice…

Q: X = X Sx = 5. The t-formula: t = 4. Standard deviation for samples: Σ (x-x)² n-1 6. The t-table.…

A: Let’s assume that we ask 30 students their weights and their responses are given below:    For group…

Q: We want to obtain a sample to estimate a population mean. Based on previous evidence, researchers…

A:

Q: 2. We have 2 types of binary sources. Each source outputs one bit, i.e. 'O' or '1', independently at…

A: Given that there are 2 types of binary sources. Each source outputs one bit, 0 or 1, independently…

Q: Use the time/tip data from the table below, which includes data from New York City taxi rides. (The…

A: The independent variable is Time. The dependent variable is Tip. We have to predict the tip for a…

Q: A researcher is interested in examining the relationship between spousal abuse and child abuse.…

A: The objective is to calculate the linear regression line and the Pearson's correlation coefficient…

Q: Statistics show that 40% of men renew their car licenses after the deadline date. Assume that this…

A: Givenp=0.40sample size(n)=7Let "x"be the no.of men renew their car licenses after the deadline…

Q: Listed below are foot lengths (mm) and heights (mm) of males. Find the regression equation, letting…

A: The question is about regression Given :   To find : 1 ) reg. eq. 2 ) pred. value of height for…

Q: Read each of the following questions carefully calculate proportions, percentages and rates on data…

A:

Q: . 1 . f(x; 0) = {0, What is the parameter space of 0? Find the maximum likelihood estimator (MLE) of…

A: It is given that the probability density function is  f(x; θ) = { ( θ + 1 )•xθ,  0 < x < 1…

Q: survey by the National Retail Federation found that women spend on average R146.21 on a Saturday…

A: given data  normal distribution  μ = 146.21σ = 29.44P(x<160) = ?

Q: i) Show that the standard score of the sample mean X, is equal to Y. ii) Show that the mean and…

A: It is given that  X follows N(θ, 1), then E(X) = θ and V(X) = 1, And the moment genarating function…

Q: Show that ₁ ln(X₁) is a sufficient estimator of 0. [Hint: Use one-parameter regular exponential…

A: It is given that  X has the pdf  f(x) = (θ + 1)xθ , 0 < x < 1

Q: 23. The numbers of tourists (in thousands) visiting Table Mountain in Cape Town per quarter, for…

A: the general linear regression model is given by the equation: y = a + b

Q: The regression equation is Health Index=y+ a Age + ß Blood sugar + 8 Blood Pressure SE 20986 Age…

A: Independent variables are the explanatory variables that predict the dependent or the response…

Q: i) Show that the standard score of the sample mean X, is equal to Y. ii) Show that the mean and…

A: It is given that  X follows N(θ, 1), then E(X) = θ and V(X) = 1  And the moment genarating function…

Q: R can be used to find the critical value for an F distribution for a given significance level. For…

A: The critical value for α=0.05 with dfbetween=5 and dfwithin=60 is obtained using R as shown below: R…

Q: Which of the following conditions must be met if a sample is to be regarded as a random sample? Each

A: It is given that the statement about to the random sample. Here, need to find out the correct choice…

Q: Part II. Perform the following: State the null and alternative hypothesis A. Complete the table. 1.…

A: Hi! Thank you for the question. As per the guidelines, we are allowed to answer one question at a…

Q: simple random sample of 320 people who went trick-or-treating was selected, and it was determined…

A: From the central limit theorem, The theorem can be applied if the sample size is large. That is, the…

Q: should managing directors statement be accepted?

A: Sample size is n= 81 and  x= 6 So probability p^ = x/n  = 6/81  =0.07407 x~ Binomial (n= 81,…

Q: A simple random sample of size n is drawn from a population that is normally distributed. The sample…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: suppose X is the time it takes employee to type and send a letter of recommendation. Suppose X has a…

A: The information provided in the question are as follows : Mean (µ) = 10.5 Standard deviation (σ) = 3…

Q: se that the Achilles tendon diameters in the general population have a mean of 5.97 millimeters…

A:

Q: A sample of 62 city blocks were taken in Black majority neighborhoods and 58 city blocks in…

A: Null and alternative hypotheses: Null hypothesis is a nullified statement about population parameter…

Q: 31 Show that if -10 s = ["™ *x(² x(t) dt 10 then _E(8²) = (1 -10 (10-|t|)R, (T) dr

A: Given that

Q: For a population with +0.25. [Round to the nearest hundredths place if a decimal. If your calculated…

A: Given,Mean(μ)=30standard deviation(σ)=8and Z-score=0.25

Q: You are interested in finding a 90% confidence interval for the average commute that non-…

A: Given,sample size(n)=15

Q: a) b) c) What is the parameter space of 8? Find the maximum likelihood estimator (MLE) of 0. What is…

A: It is given that the pdf f( x; θ ) = { ( θ + 1 )•xθ,   0 < x < 1                     0,…

Q: Let X₁, X2, X3,..., Xn denote a random sample of size n from the population distributed with the…

A:

Q: i) Show that the standard score of the sample mean X, is equal to Y. ii) Show that the mean and…

A: It is given that  X follows N(θ, 1), then E(X) = θ and V(X) = 1, And the moment genarating function…

Q: We want to know if the average rating of attractiveness (1=homely, 5=stunning) of a typical person…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: ust do last thre parts

A: Given data: Patient X Y Z A 1 2 3 B 1 2 3 C 1 2 3 D 1 3 2 E 1 2 3 F 1 3 2 G 2 1 3…

Q: simple random sample of size n is drawn from a population that is normally distributed. The sample…

A:

Q: 1. Let X be a continuous random variable with cdf 0, x≤0 x² F(x)= = 7,0 ≤ x 1.5). b. Derive the pdf…

A:

Q: Name two limitations of this test.

A: Chi Square Test The Chi-square test is a non-parametric type that does not have distribution and is…

Q: The data to the right represent the number of chocolate chips per cookie in a random sample of a…

A: (a) The objective is to construct side-by-side boxplot for each brand of cookie.