120 psychology students took a standardized test. The scores are summarized in the GFDT below. Scores 80-84 85-89 90-94 95-99 100-104 105 - 109 Frequency 10 15 10 16 11 58 The scores are also described in the cumulative table shown below. Scores less than 85 less than 90 less than 95 less than 100 less than 105 less than 110 Frequency 10 25 35 62 120 What is the missing value in the cumulative GFDT?

Q: : First find the variance of (n − 1)S2/σ2.]

A: First, we know that the variance tells about the variability among data around its central value.…

Q: f a coin is balanced so that p(Heads) = p(Tails) = 1/2, then which of the following outcomes is…

A: GIVEN DATA, if a coin is balanced p(heads)=p(tails)=12=0.50we have to answer that which of following…

Q: For a repeated-measures study comparing two treatment conditions, a researcher obtains a sample of n…

A: Given,n=10mean(MD)=6Variance(s2)=90

Q: The Wind Mountain excavation site in New Mexico is an important archaeological location of the…

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

Q: A television sports commentator wants to estimate the proportion of clients who follow professional…

A: Given,margin of error(E)=0.04sample proportion(p^)=0.48

Q: Explain Bayes' theorem of conditional probability

A: Introduction The probability shows how likely an event will occur. Let BT denote the Bayes' theorem.

Q: Use R to obtain the sample correlation coefficient, r. Round your answer to 3 places after the…

A: Given :

Q: 3 How many poker "hands" are there of the form: 000 000 000 00 00 00 00 00 ?

A: The objective is to find the number of poker hands are there in the form.

Q: One-tailed left directional Test B One-tailed right directional Test (C) Non-tailed Test (D)…

A: It is given that  Population mean = 3 Sample mean = 3.5 Standard deviation = 1.5 Sample size = 26

Q: 198, 199, 200, 201, 202, 204, 205, 206, 206, 207 lete the parts below to identify any outliers. Let…

A: Solution

Q: An economist conducted a hypothesis test to test the claim that the average cost of eating a meal at…

A:

Q: Find the margin of error for a 95% confidence interval for estimating the population mean when the…

A: given data s = 9095% ci for μ.E = ?

Q: A researcher calculates a chi-square of 3.244 from a 2x4 chi-square test for independence. Which of…

A: Given that We review three different measures of effect size for the chi-square goodness-of-fit and…

Q: At a = 0.05, test for the significance of the coefficient of number of salespeople. State the null…

A: The relationship between the independent and dependent variables explained using the regression…

Q: population of values has a normal distribution with µ = 184.4 and σ = 75.7. a. Find the probability…

A: Answer:- Given, X ~ N(μ,σ )       (a)      Where mean (μ )=184.4 , and a standard deviation σ =75.7…

Q: A population is normally distributed with μ = 300 and o= 10. a. Find the probability that a value…

A: Given information- Population Mean µ = 300 Standard deviation (σ) = 10 Let, X be the random variable…

Q: A researcher wants to find the mean height of people living in San Francisco. Past research suggests…

A: Given, Population standard deviation, σ=3.75 Margin of Error, E=1.2 We take,  Confidence level=95%…

Q: 3. Ages Number of students 15-18 19-22 23-26 27-30 31-34 35-38 6 2 8 3 9 7 Based on the frequency…

A: Ages Number of students cumulative frequency 15-18 6 6 19-22 2 6+2=8 23-26 8 8+8=16…

Q: party. The accompanying table shows the responses. Complete parts a through d below. Click the icon…

A: The objective is to find and interpret 95% confidence interval for the difference in the mean number…

Q: . Give the estimated regression equation. C. Give the estimated value for each of the following,…

A:

Q: ne question a how do i get the 44 answer and whatwould be the way to figure it out

A: The total number of touchdowns scored by all divisions is 63.

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

A: a. The marginal totals are computed as follows:   Human activity Natural patterns Don't know…

Q: True or False: The following is an appropriate interpretation For each additional 1 mm increase in…

A: The table shows the length and mass.

Q: K Listed below are systolic blood pressure measurements (in mm Hg) obtained from the same woman.…

A: The following information has been provided: Right Arm Left Arm 103 176 102 169 96 148…

Q: 5) A bank branch located in a commercial district of a city has the business objective c developing…

A: Given that, The overall miles per gallon (MPG) of 2010 small SUVs are given as: 16 16 18…

Q: 68 64 50 51 64 51 61 52 48 58 52 49 65 59 53 You are examining the data with a split stem-and-leaf…

A: It is given that the data set and the data with split stem-and-leaf plot.

Q: The payoff matrix for a game is 3-2 4 -5 22 4-42 (a) Find the expected payoff to the row player if…

A:

Q: Wi-Fi Access A survey of 54 students in grades 4 through 12 found 67% have classroom Wi-Fi access.…

A: given data, n=54p^=0.637CI=0.99α=1-0.99=0.01Zc:=Zα/2=Z0.01/2=Z0.0050=2.576 [from excel function,…

Q: (a) Suppose the sample of chickens from Supplier A contained 100 ppb of arsenic. Use the…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: n psychology students took a standardized test. The scores are summarized in the GFDT below. Scores…

A: here scores and their frequency are given we have to complete the cumulative frequency table for the…

Q: 132,000 189,000 270,000 324,800 269,000 340,000 222,000 135,000 169,900 310,000 142,900 86,000…

A: Given information: x 132000 324800 222000 310000 285000 189000 269000 135000…

Q: Fast male cross-country runners have 5K times that are approximately Normal as shown in the image.…

A:

Q: The amount of debt graduating college seniors typically have is Normally distributed with mean μ =…

A: given data  μ  = 80σ = 5normal distributionwe have to draw normal curve.

Q: 4) The file contains the cost (in cents) per 1-ounce serving for a sample of 13 chocolate chip…

A: 4) Given data: 54, 22, 25, 23, 36, 43, 7, 43, 25, 47, 24, 45, 44

Q: (a) Use the following data to compute a 95% CI for ₁-₂ m-661, 229, 1514, n=402, y-2613, and 1116.…

A: Confidence interval is the range where the true value of the parameter lies. It has two limits, they…

Q: A local brewery distributes beer in bottles labeled 32 oz. believing the SD=1.5.   A government…

A: Note- Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: Which of the following sets of data would produce the largest value for Cohen’s d if the difference…

A: Given that, the difference between the samples is 5 points.

Q: The average baptismal ceremony includes 50 guests with a standard deviation of 10. A random sample…

A: Given that Population mean =50 guest  Standard deviation σ=10  Sample size =32  Sample mean =53…

Q: Suppose 100 country songs were randomly selected, whose mean song length is 4.75 minutes with a…

A: Solution: Given information: n= 100 Sample sizex= 4.75 minutes Sample mean s= 1.10 minutes Sample…

Q: The table below shows the results of a survey about a junk food tax. Support Oppose Unsure…

A: Given Total =1099

Q: Parking Meter Revenue A one-sided confidence interval can be found for a mean by using 1127-44 in Or…

A: Here, from the data we have, mean is 2.1967 and standard deviation is 0.6354 We will use one sample…

Q: Q5 Six students performed an Atomic Absorption analysis of a lead sample. The concentrations of lead…

A: Given the data as 15.4, 12.7, 15.4, 15.2, 15.0, and 14.9

Q: A research design where each participant in one group is matched or paired with a different but…

A: A matched subject design each participant in one group matched with a participant in the other…

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size…

A: GivenMargin of error(E)=5%=0.05confidence level=90%

Q: Consider the hypotheses shown below. Given that x = 118, o =25, n = 46, α=0.10, complete parts a…

A:

Q: A repeated-measures analysis of variance for a study comparing four treatment conditions with a…

A: Followings are the Explanation of the question Given that 1) Total number of treatments (V) = 4 2)…

Q: 2.1 How long  would it take R50 000 invested today at a simple interest rate of 6.25% per annum to…

A:

Q: A particular article presented data on y = tar content (grains/100 ft³) of a gas stream as a…

A: Given         y=tar contentgrains/100 ft3       x1=rotor speed(rev/min)       x2=gas inlet…

Q: The Mathematics Department in a certain university is conducting a study to determine how long it…

A: Given that Sample size (n)=26 Sample mean =3.5 months  Standard deviation =1.5 months  Level of…

Q: e scores on a test are normally distributed with a mean of 150 and a standard deviation of 30. What…

A: Solution:  Let X be the score on test are normally distributed with mean 150 and standard deviation…