The  time of athletes in race is    Give the ff.  Class size  The  Fx Standard diviation The variance The range   Class frequency  66-70 4 61-65 8 56-60 7 51-55 2

Q: A frequency distribution table is . all of these choices a table with the number of respondents by…

A: Given problems related to frequency distribution and mean and variance of a data.  We have to choose…

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A: Solution-: We want to find where did 1-0.9545 came from?

Q: A report in LTO stated that the average age of taxis in the Philippines is 12 years. An operations…

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Q: 1. When we decide to reject the null hypothesis, the probability of committing a Type l error will…

A: For the given statements, we need to answer True or False for each.

Q: The lengths of pregnancies are normally distributed with a mean of 268 days and standard deviation…

A: Given: μ=268σ=15Sample size,n=25Sample mean=260

Q: Determine the question (X) that converts each situation to Yes/No data. a) The proportion of cars…

A: Researchers conduct survey using questionnaire comprising both objective and subjective questions.

Q: Assume

A: Given, The X units are dollars($)

Q: -0.17 1.78 The area of the shaded region is

A: The given plot of shaded region is,

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Q: A teacher has two large containers filled with blue, red, and green beads, and claims the proportion…

A: Let p1= the true proportion of red beads in container 1 and p2= the true proportion of red beads in…

Q: Suppose you were to take samples of size 100 from a population with a mean of 12 and a standard…

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Q: In a large school, it was found that 64% of students are taking a math class, 77% of student are…

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Q: O $19.27 O $10.07 O $17.01 O $19.05

A:

Q: Data Given the following set of data, find the complete list of summary statistics (mean, standard…

A: SOLUTION: The formula of mean is given by - x¯=1n∑xii=1n where M is the mean  n is the number of…

Q: What was the median commute time?

A: Here we want to know What was the median commute time.

Q: Gene 2 Dominant Recessive Dominant 56 22 Gene 1 Recessive 18

A: Given: Gene1\ Gene 2 Dominant Recessive Total Dominant 56 22 78 Recessive 18 4 22 Total 74…

Q: Use one way ANOV analysis to test the claim that the mean amount of days a person takes to improve…

A: For the given data Perform Anova single factor

Q: You are interested in average College Admission Test scores of the entering class would be the…

A: As we know that population is the whole group that we want to draw conclusions about it. And, sample…

Q: A data set includes 109 body temperatures of healthy adult humans having a mean of 98.3°F and a…

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Q: What is the range used to estimate the population parameter with an attached confidence coefficient?…

A: We have given that,  What is the range used to estimate the population parameter with an attached…

Q: Big fish: A sample of 150 flounder of a certain species have sample mean weight 23.5 grams.…

A: The random variable weight follows normal distribution. We have to write the null and alternative…

Q: Find a confidence interval for u or p. Download a. A random sample of 19 adults participated in a…

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Q: For the following two samples of scores, calculate the pooled variance from an Independent-Samples…

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Q: With the null hypothesis that a suspect is innocent, an investigation concluded that the suspect…

A: The probability of determining a test statistic value at least as extreme as the observed value…

Q: Explain how statistics feed into the design and interpretation of simulation models Please do fast…

A: Simulation research is a computer experiment in which data is generated by pseudo-random sampling…

Q: Assume that the helium porosity (in percentage) of coal samples taken from any particular seam is…

A: Solution-; Given:  σ=0.75, x¯=4.85, n=33, α=0.05 We want to find, (a) Check the conditions to…

Q: The population of a particular country consists of three ethnic groups. Each individual belongs to…

A: The question is about prob. dist. Given :

Q: A bottling company uses a filling machine to fill plastic bottles with a popular cola. The bottles…

A: Let X denote the bottle contents vary according to a normal distribution with mean of μ=203 ml and…

Q: You are asked to play a game in which you choose a number n ≥ 2 of times to flip this coin, and you…

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Q: O a. u and σ O b. o and p c. p and u O d. pand p

A: The normal distribution is given.

Q: If the population standard deviation is unknown, what test statistic is to be used? a. t-test b.…

A: If the population standard deviation sigma  is known then z statistic is used.

Q: Consider the type of clothes dryer (gas or el (a) If the probability that at most one of t

A: GIven, a) P(at most one of these customers purchases an electric dryer)  = P(x≤1)  = 0.423 P( at…

Q: . What are some common statistics used in the field of criminology/criminal justice?

A: Statistics play an important role when it comes decision making in criminology.

Q: 1. provide the process of establishing confidence interval step by step. 2. According to past…

A: SOLUTION; First we have to find a sample statistic. (eg. sample mean, sample proportion etc.) Then…

Q: FIND THE EQUATION OF THE REGRESSION LINE AND THE CORRELATION. PREDICT THE REACTION TIME BASED ON A…

A: Given: SSXX=10SSXY=7SSYY=6X¯=3Y¯=2

Q: A survey of 1000 students concluded that 274 students chose a professional baseball team, A, as his…

A: The question is about a confidence int. for a difference between two popl. prop. Given : No. of…

Q: Trump's Per Capita Share of Popular Death Rate per 100,000 people and Donald Trump's share of the…

A: Given Information: Consider the information given in the study to conduct the priori power analysis.

Q: A cellular battery manufacturer claims that his battery when fully charged has mean life of 24 hours…

A: The set or collection of all possible observations is defined as the population.

Q: . A standard test of intelligence is scaled so that the mean IQ is 100, and the standard deviation…

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Q: Where is the t table

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Q: A discrete variable is a variable. with a basic unit of measurement that cannot be subdivided O that…

A: Given problems related to discrete variable and rates, we have to choose the correct choice in both…

Q: ppose you are going to randomly sample 1 individual from a population of 160 people. In the…

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Q: Affiliation Option Democrat Republican Independent Cut 101 282 61 Raise 38 67 25 Inflate 131 88 31…

A: The following information has been given: Observed Frequencies:   Democrat Republican Independent…

Q: I wanted help with 22 not 21

A: 22)

Q: What happens to the sampling distribution of the mean when a population is already normally…

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Q: X+ta/2(n – 1)ja X† Za/2 n are used to estimate the population mean. These estimators can be used…

A: Given: For t distribution: CI=x¯±t(α2, df)*sn for z distribution:. CI=x¯±z(α2)*sn

Q: e bakery should use raisins. ound the final answer to the nearest whole number as needed. Round all…

A: Given For a batch of 5200 oatmeal and raisin cookies, probability of a cookie having no raisins…

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Q: For α = .05 and 2 tails, and an Independent-Samples t-test with n1 = 25 and n2 = 35, lookup the…

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Q: What is the 90th percentile in a t-distribution with 12 degrees of freedom?   a. 1.356 b. 1.796 c.…

A: The kth percentile implies the value, below which k of the total observations lie.