120 psychology students took a standardized test. The scores are summarized in the GFDT below. Scores 120 - 129 130 - 139 140 149 150 - 159 160 - 169 170 - 179 The scores are also described in the cumulative table shown below. Scores less than 130 less than 140 less than 150 less than 160 less than 170 less than 180 Frequency 20 15 13 11 14 47 answer= Frequency 20 35 |ळे ज 48 73 120 What is the missing value in the cumulative GFDT?

Q: second sample consists of 2100 people with 1531 of them having the same common attribute. Compare…

A: Given, From First sample, Sample Size, n1 = 40 Mean, x1 = 22 From second sample, Sample size, n2 =…

Q: A random sample of 18 BP customers used an average of 16.1 gallons to fill their vehicle with a…

A: As per our guidelines we are suppose to answer onle one question kindly post theremaining question…

Q: Suppose the age that children learn to walk is normally distributed with mean 13 months and standard…

A: Given information: X~N(µ=13, σ=1.2)Sample size (n)=17 Find: Probability of normal distribution.…

Q: A population of values has a normal distribution with μ = n = 18 is selected, 205.9 and o= 26. If a…

A:

Q: In a random sample of 200 students at a university, 166 stated that they were nonsmokers. Based on…

A: given data, x=166n=200CI=0.99α=1-0.99=0.01p^=Xn=166200=0.83

Q: A newsgroup is interested in constructing a 90% confidence interval for the difference in the…

A: The question is about confidence interval Given : Randomly selected no. of people from " T "  ( n1 )…

Q: μ A study was done using a treatment group and a placebo group. The results are shown in the table.…

A:

Q: When coastal power stations take in large quantities of cooling water, it is inevitable that a…

A: Given that model  y=92-2.18x1-19.20x2-9.38x3+2.32x4 SSReg=1486.4  SSresidual  We have to find a..R2…

Q: DF pet type = ? DF brew type= ? DF within = ?

A: The data shows the pet type and brew type happiness.

Q: 2) The operations manager of a plant that manufactures tires wants to compare the actual inner…

A: Given data: Grade X Grade Y 568 573 570 574 575 575 578 577 584 578 The expected…

Q: Consider the following data set, where yy is the final grade in a math class and xx is the average…

A: In this case, the independent variable is, the average number of hours the student spent working on…

Q: Suppose that the efficacy of a certain drug is 0.49. Consider the sampling distribution (sample size…

A:

Q: If an analysis of variance is used for the following data, what would be the effect of changing the…

A:

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

A:

Q: The 10 members of the swim team completed the following numbers of laps at today's practice. 77, 78,…

A: Given: n = 10 Formula Used: Q1 = n+14thterm Q3 = 3n+14thterm

Q: 18% of all Americans live in poverty. If 35 Americans are randomly selected, find the probability…

A: It is given that  p = 18% = 0.18 n = 35 X ~ Bin( 35, 0.18 )

Q: II. IDENTIFICATION. Which type of sampling is used in the following: independent or related? 1. A…

A: First we will define what is independent an  related sampling

Q: You believe both populations are normally distributed and that the population standard deviations…

A: Given that n1=42,x¯1=50.1,σ1=11.6 and n2=53,x¯2=53.2,σ2=9.5.

Q: The annual salaries of six employees of a company are as follows:  $22.000 $35,000 $22,000 $46,000…

A: Given data is 22000,35000,22000,46000,57000,90000

Q: Consider the following computer output from a multiple regression analysis relating the cost of car…

A: Solution:  The coefficient of the Credit score is  β2^= -95.04

Q: The general perception is that the manufacturer of the product can reduce the cost required to…

A: We have two variables in the question: No. of products is independent variable as the manufacturer…

Q: K A study was conducted to determine the proportion of people who dream in black and white instead…

A: Formula used: p = ( X1 + X2)/(N1 + N2)

Q: O DESCRIPTIVE STATISTICS Using the IQR to find outliers in a... 2₁ 93= The following 11 scores were…

A: data in accending order are : 73,74,75,76,77,81,82,85,87,87,88n= 11

Q: 6. A Computer Company claims that its laptop batteries average at least 3.5hours of use per every…

A: We have given that Population mean (µ) = 3.5Population Standard deviations (σ) = 0.7Sample size (n)…

Q: I want to explain these outputs in detail

A: Three histograms are given with the names Q1, Q2, and Q3. The histogram for Q1: The histogram for…

Q: A computer selects a number X from 0 to 6 randomly and uniformly. Round all answers to 4 decimal…

A: Given: A number X between 0 to 6 is randomly and uniformly selected.  Concept: Let X is said to…

Q: Use the given data to find the equation of the regression line. Examine the scatterplot and identify…

A:

Q: You believe both populations are normally distributed, but you do not know the standard deviations…

A: Given n1=20,x¯1=60.9,SD1=6.2 and n2=15,x¯2=76.9,SD2=18.6.

Q: Most soft drink beverages are packaged and sold in 12-ounce cans. You want to test to see how…

A: The given claim is that the mean amount of liquid in coke cansμ1 is less than the mean amount of…

Q: 22 6 30 54 =8 NONN ve Frequency = 7 10 2 6 10 the frequency distribution above, find the cumulative…

A: Given Total given frequncy 2+7+10+2+6+10=37

Q: Milky Way Enterprises is a Polokwane-based supplier of cheese products to the South African market.…

A: Given that: Class (tons) Frequency, f Midpoint, m Cumulative frequency 100-199 6 149.5 6…

Q: Suppose that the distribution of the scores of students in Statistics Assignment 1 is roughly…

A: From the provided information, Mean (µ) = 85 Standard deviation (σ) = 5 X~N (85, 5)

Q: mal score OE. It is not appropriate to interpret the y-intercept. (c) Predict the final grade for a…

A: To solve the given problem, we have to obtain the regression equation for the variables x and y. The…

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: explain  Regression analysis and its limations

A: Regression analysis  :  Regression  analisis is a power statstical method  is identifying  the…

Q: Scores 2 4 6 8 10 12 Mean 7.2 What is A? Frequency 4 A-3 A 16 A A-7

A:

Q: write FALSE. 1. If a 90% confidence interval estimate for the population mean score of all Stat 101…

A: It is given that the 90% confidence interval estimate for population mean score is (38, 42).

Q: 6. Suppose the hypotheses for a statistical test are Ho: P₁ = P₂ vs Ha P₁ P₂. For each possible…

A: Given  Hypothesis Ho: p1=p2  Vs  H1: p1≠p2

Q: A researcher believes that about 71% of the seeds planted with the aid of a new chemical fertilizer…

A:

Q: fair coin is tossed four times. Let X be the number of Tails (T) that are observed, find: 1-the…

A: Note: As per the Bartelby guidelines only three sub-parts can be answered. Kindly resubmit the…

Q: A manufacturer of a robotic system a particular microchip, XG45D from 3 suppliers: Xullion…

A: Assume that the suppliers are "XE", "SS", and "NT".  For the provided microchip, the percentage of…

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

A: Question 5 will be solved as per the student's request. Since there are multiple sub-parts, as per…

Q: 14. SAT Verbal Scores Do students who learned English and another language simultaneously score…

A:

Q: Provide an example of a random variable with variance of 0

A: Given that We have provide example of random variable with variance of 0

Q: Data on the weights (lb) of the contents of cans of diet soda versus the contents of cans of the…

A: Given  n1=n2=33, sample mean x̄1=0.78026, sample mean x̄2=0.80919  s1=0.00448, s2=0.00757 , level of…

Q: The following data represent the means for each treatment condition in a two factor experiment. Note…

A: Given The data is as follows:   B1 B2 A1 10 25 A2 40 ?

Q: Frequency 12 10 8 6 55 60 65 70 75 80 85 90 95 parasites in hive What is the maximum possible number…

A: It is given that the histogram represents the parasites in hive on horizontal axis and the frequency…

Q: An electronics manufacturing process has historically had a mean completion time of 65 minutes. It…

A: Givensample size(n)=21Mean(x)=64standard deviation(s)=12significance level(α)=0.10

Q: Prof. Watson wants to predict children’s aggressive scores based on the participants’ gender and…

A: Given information: Prof. Watson wants to predict children’s aggressive scores based on the…

Q: In a random sample of 200 students at a university, 166 stated that they were nonsmokers. Based on…

A: Given,n=200x=166