True or false: a) When a process is in a state of statistical control, then most of the output will meet specifications. b) When a process is out of control, an unacceptably large proportion of the output will not meet specifications. c) When a process is in a state of statistical control, all the variation in the process is due to causes that are inherent in the process itself. d) When a process is out of control, some of the variation in the process is due to causes that are outside of the process.

Q: assumptions are required to perform an analysis of variance.

A: What is Analysis of Variance (ANOVA)? Analysis of variance (ANOVA) is an analysis tool used in…

Q: .A company of 450 factories. Management is interested in average break downs (X) of production lines…

A: Note: Hi there! Thank you for posting the questions. As there are several independent questions,…

Q: solves problems involving test of hypotheses on the population mean. Identifies the appropriate form…

A: Consider the scenario of the number of hours to watch the television. First, collect the data of…

Q: 23.Food deserts have become a particularly hot topic in the public health community as an…

A:

Q: A U.S. government survey in 2007 said that the proportion of young Americans that earn a high school…

A: Solution: Given information: n=100 Sample size p= 0.87 Population proportion.

Q: 2. Consistency is key. Whenever we say that a product is of better quality, it 1 refers to the…

A: Solution In the question the researcher wants to test the the variability  life of the new battery.

Q: 6.some of the children given a new flu vaccine later develop a neurological disease. Parents claim…

A: Introduction:Association and causation:Association:Consider two variables, say, X and Y. These will…

Q: A pop-up bakery sells out of a food truck. It sells both cakes and baguettes. The data is provided…

A: A pop-up bakery sells out of a food truck. It sells both cakes and baguettes. The data are provided…

Q: What type of datasets can be used in a relative risk analysis? two continuous numerical variables…

A: It is required to identify which option with related to relative risk analysis is correct.

Q: explain with suitable practical life examples: 1.Discrete and Continuous variable

A: Hi! Thank you for the question As per the honour code, We’ll answer the first question since the…

Q: 17. Teen deaths 2005 Traffic accidents are the leading cause of death among people aged 16 to 20. In…

A: Given: P = 12.6% = 0.126 n = 388 X = 44 Formula Used: Test-statistic Z = p^-PP(1-P)n

Q: To obtain a maximum amount of variance, an item ought to have a degree of difficulty of what?

A: To obtain a maximum amount of variance an item ought to have a degree of difficulty is the number of…

Q: -0.307 -0.294 0.079 0.019 -0.136 -0.324 -0.176 0.125 -0.013 0.082 0.091 0.318 0.459 0.154 0.137…

A: *Answer:  . Yes there is an evidence to indicates that mean in pH readings for the four devices are…

Q: Control charts are monitoring schemes, widely used in operations and manufacturing environments, to…

A: Control chart basics: Control chart consists of 3 lines, the center line control limit represents…

Q: in refence of staticstics 1. What is the relationship between samples and populations?

A: In the field of statistics, understanding the connection between samples and populations is…

Q: hourly rates (in pesos). The data is as follows: City of Manila 190 140 130 Quezon City 179 150 120…

A: 1) The Null and alternative hypothesis:Ho: µ1 = µ2Ha:  µ1 ≠ µ2 2) degree of freedom(df) = n1+n2-2…

Q: How do you find the standard error estimate of two disjoint populations, assuming they have the same…

A:

Q: Why is it ethically important to control confounding variables? Only one answer A) Because risk is…

A: Confounding variables: The confounding variables are those variables which have an unwanted effect…

Q: 1.Conduct principal component analysis on all variables except the Name variable. Should you…

A: Given the principal component output as

Q: 3. You want to study differences in egg production in two varieties of chicken, where n1 =n2 and…

A: 3. The best method of analyses, n1=n2, would be performing a test of hypothesis for population…

Q: One of the assertions made in the diamond industry is that the rating agencies have an impact on (or…

A: The object is to set up a test to test the validity of the stated claim that agencies have an impact…

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

A: State the Null and Alternative Hypothesis. Ho: The sex of the respondent and the choice for the…

Q: in the summer months than at any other time of the year.   B. Demand is higher in the win

A: What can we conclude regarding the SUMMER and WINTER seasons if we use a .01 level of statistical…

Q: True or false: if you did a retrospective study to determine the risk of disease for individuals…

A:

Q: iton. 14

A: Concept: In sample surveys, under coverage occurs when not all the elements of the population are…

Q: Describe the statistical pattern by which customers are generated over time must also be specified?

A: Queuing theory are used to measure the waiting, service level, service, waiting time, system etc.,…

Q: According to Chebyshev's theorem, what is the maximum proportion of data values from a data set that…

A: We know that the, By Chebychev's inequality P(|X-μ| ≥ kσ) ≤ 1/k2 So, if k=2.5, then P(|X-μ| ≥ 2.5σ)…

Q: One difference between ANOVA and regression is:    a) ANOVA is for statistical inference, whereas…

A: ANOVA - It is a statistical technique that is used to compare the whether the population means are…

Q: .4List and explain the three sources of variation identified by ANOVA

A: ANOVA is the type of parametric test. It measure the mean significance between the three or more…

Q: Statistics that describe the dispersion among scores in a distribution are measures of a. statistic.…

A: It is needed to define the statistics that describe the dispersion among scores in a distribution.

Q: 9. Considering a set of statistics that are candidates for the best estimator of a certain…

A: An estimator may essentially be defined as the mathematical method to define an estimate that is…

Q: based on emprical rule, how many percent will lie between -2 to +1? -68% -447.5% -81.5%   2.…

A: Here we've to calculate, P(-2<z<1). P(-2<z<1)= P(z<2)+P(z<1) From two tailed z…

Q: 10. Particulars Factory A Factory B No. of employees 50 100 Average wages per head Per month Rs…

A:

Q: 1. A coffee shop uses a machine that is supposed to pour 8 oz of water for a small drink. The store…

A: The random variable amount of water follows normal distribution. We have to test whether the machine…

Q: True or False: If results are statistically significant, then they are always practically…

A: Statistical significance is related to existence of an effect while practical significance is…

Q: 15. In linear regression analysis, the difference between an observed value of a response variable…

A: A residual is the difference between an observed value of the response variable and the value…

Q: 2. In a cancer rehabilitation institute, there were incidence of post- radiation therapy toxicity on…

A: The first and foremost step in any hypothesis testing is to identify the parameter or statistic…

Q: What term requires the variance of a person’s scores at time 1, time 2, and time 3 be equal?…

A: Variance is equal in a statistical test like analysis of variance also known as ANOVA. It assumes…

Q: 1.2. Consider the following ANOVA model of wages: WAGE, = B, + B2 GENDER, + 4, where GENDER, is a…

A: Given: WAGEi=β1+β2GENDERi + μiWhere GENDERi is a dummy variable

Q: 1. One-way analysis of variance is used to test equality of means among more than two populations.…

A: F- statistic is ratio of two variances which is use to check is the variation between the means of…

Q: One difference between ANOVA and regression is: a) ANOVA is for statistical inference, whereas…

A: From the above question One difference between ANOVA and regression is: the correct option is  c) in…

Q: 1. Introduction to variability A researcher is studying psychological factors in artistic…

A: It is given that the researcher is studying the psychological factors in artistic achievements among…

Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.