WHAT IS THE T-SCORE FOR A SCORE OF 90

Q: Use the following scores to find the value of EX-2 = 3 4 2

A: GivenX=3,2,4,2

Q: What is the value of Σ(X - 4)2 for the following scores?  Scores: 4, 1, 6, 5

A: Given that, Scores (X): 4, 1, 6, 5 Calculate (X-4):

Q: How do you find the given measure in standard position for the degree of -200

A: Given, -200°

Q: nd the p-valu

A: two tailed test with z = 2.3

Q: K 54° H.

A: By the properties of angles in a circle, we have, angle(JGK) = angle(JHK) So, x° = 54° So, x = 54

Q: the average score of 10 students is 85. what will be the mean if another student will take the test…

A: From the provided information, Average score of 10 students = 85

Q: A friend tells you that her savings account doubled in 9 years. Use the Rule of 72 to estimate what…

A: Given: Savings account get doubled in 9 years. Rule 72:  An amount will double when the product of…

Q: 5% prediction interval for new-vehicle sales for d by Toyota is 2359 thousand. Use Microsoft exc…

A: By  using linear  regression,

Q: Find the value represented by a z-score of 2.403, given µ=63 and σ=4.25. Round your answer to one…

A: It is given that the values of z score is 2.403, µ is 63 and σ is 4.25. Formula for z score:

Q: condition. Find the lower cutoff score (number of berries which will go for juice).

A: The z score can be calculated as: z=x-μσ The required z score that is associated with the bottom…

Q: d) Determine if Advertising is significantly related to Sales. Use a = 0.10.

A: #1. The random variable y is denoted as the weekly sales for its product, x1 be the unit price of…

Q: The box plot shows the amount of time (in hours) that adults spent exercising last week. What was…

A: The box plot is used to depict the distribution of dataset. For horizontal box plots, the left end…

Q: The dean of the college of sciences want to know if engineering or physics majors do better in math.…

A: Compute the test statistic: The investigator is specifically interested to test whether the scores…

Q: p-value =

A: Given in the following  Satisfaction ratings of Traditional cell phone providers is denoted by…

Q: How do you determine which exam score is higher relative to others

A: The normal distribution is a continuous distribution.

Q: The scatterplot below shows the areas of some Galapagos Islands and the number of endemic species…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: Which spends more for administration: Charity A or Charity B? How much more?

A:

Q: find the p value when the test statistics is -6.61, the df is 10-1, and the level of significance is…

A: Find the p value if  t=-6.61 and df=10-1=9 Level of significance alpha=0.05

Q: d. How high are the levels for the highest (top) 4.8% of all children? Z- score = %3D Answer =

A: Using normal table

Q: Z-score in

A: Population mean and standard deviation:

Q: K G 5 15

A: Topic : trigonometry

Q: The p-value is not 0.0149.

A: Solution-: We want to find p-value for the given RBD design

Q: What is needed to find a p value?

A: In hypothesis test we define the null hypothesis which is tested for possible rejection under the…

Q: Find the z-score that cuts off 40% in the tail on the left

A: Our aim is to find the find the z-score that cuts off 40% in the tail on the left

Q: What is the measure of x? 4 9. x = [ ? ]/

A:

Q: The dot plot below shows the number of chocolate chips found in each cookie. + + 0 1 2 3 4 5 6 7 8 9…

A: We can convert data from dot plot to simple form    2,2,3,3,3,4,4,4,4,4,5,5,5,5,6,6,6,7   Here n =…

Q: Find the z-score z_0.025

A: The random variable z represents the standard normal distribution with parameters . The Excel…

Q: the p-value=

A: We have Given Chi-squared statistics=33.879 from the contingency table of observe and expected…

Q: The trunk diameter, in centimeters, of a certain variety of pine tree is represented by X~N(150,…

A: We have to find out the z-score for a tree with a diameter of 170 centimeter..

Q: researchers calculated for their study that the mean difference () = 5.65 and the SE of the Mean…

A: Solution: From the given information, the mean difference is 5.65 and the SE of the mean difference…

Q: The p-value is 0.103. Which of the following is the best interpretation of this value?

A: Given that Sample size n = 40 Number of slices landed buttered side down, X = 24 P-value = 0.103

Q: The mean of Fred's 6 test Scores is 86. His teacher will drop his lowest grade of 78. What is Fred's…

A: Given The mean of Fred's 6 test score is 86. His teacher will drop his lowest grade of 78. So we…

Q: The expression S(Xi) directs us to find the  sum of scores median  average of the scores  middle…

A: The expression S(Xi) directs us to find the sum of scores

Q: nd the value represented by a z-score of 2.403, given µ = 63 and σ = 4.25

A: Given: To find the value being represented by the z-score of 2.403 with the value of µ = 63 and σ =…

Q: The mean weight of 150 students in a class is 60 kg. The mean weight of boys in the class is 70 kg.…

A:

Q: The average minutes played by NBA players is 1,800 minutes with stdex 318 minutes. The league is…

A:

Q: What does the expression p(e)= 0 mean ?

A: Impossible event An event is said to be an impossible event when the probability of occurrence of…

Q: The mean daily wage for 9 construction workers is ₱400. How much will one additional daily wage of…

A: Given that The mean daily wage for 9 construction workers is ₱400.  We have to find How much will…

Q: What percentage of men are SHORTER than 72 inches?R What percentage of women are TALLER than 62…

A: Let , X : height of men and Y : height of women Given : Let , X→N(μ=69.6 , σ=2.67) Let , Y→N(μ=64.1…

Q: Find Pe which is the score separating the bottom 64% from the top 36%.

A: Let X denote the distribution of values. Given that X follows N(mean = 139.3, SD = 37.8), then Z =…

Q: a. Find the proportion of packs that contain less than 440g.

A: The following are the population mean (μ)(\mu) and population standard deviation (σ)(\sigma)…

Q: Explain what it means if the z-score of an exam score is -1.2.

A: The z-score denotes the number of standard deviations from the mean.

Q: The pass result of fifty students who took up a class test is given below : Marks Number of Students…

A:

Q: what is the value of 0.495 from the z-table?

A: We have to calculate z-score for 0.495

Q: z-score

A: Please refer to the image below

Q: . How high are the levels for the highest (top) 4.8% of all children? Z- score = Answer =

A:

Q: What is the measure of

A: Given,