What is the z-score corresponding to the 74th percentile

Q: Find the z-score that cuts off 70% in the body on the right.

A:

Q: The 95th percentile of 6-year-old boys' heights in the United States is 48.8 inches tall.  Explain…

A: Given: The 95th percentile of 6-year-old boys' heights in the United States is 48.8 inches tall.

Q: Wi-th teference to the experiment ewhich was Conducted to Compar the heat procticing ot a coal fo om…

A: First, we calculate the variances of the two mines by constructing the table below:   Mine 1…

Q: What is the difference between finding the Mean and Range?

A: Introduction:The mean is a measure of central tendency, whereas the range is a measure of…

Q: The town of Butler, Nebraska, decided to give a teacher-competency exam and defined the passing…

A: Here we have to explain the given statement

Q: What is the Special Status of the Mean?

A:

Q: Ten randomly chosen commuters with meal plans were asked how many swipes they used per week. The…

A: n1 = 10x¯1 = 18.2now add 2 students.x11 =15x12 = 17new mean = ?

Q: Iculate the mean and median and report the lower value of two.

A: Answer The sample size [n] = 10-7.4, -3.4, -2.7, -2.2, -1.9, -0.8, 0.3, 0.9, 0.9, 1.1The mean:The…

Q: How do you tell percentiles in a table

A: Percentile is a score that tells the value below which a given percentage of values falls in a table…

Q: John's utility bill for the last 5 months are $21.87, $21.98, $19.91, $26.39, and $29.51. Find…

A:

Q: A set of 100 values has a median value of 40. What is the value of the 75th percentile in this set…

A: Introduction: Percentiles are used in statistics to divide a set of numerical values into 100 equal…

Q: n the brackets, how did you know to use the 21 and 20 percentiles?

A: The number of observations, The data set…

Q: Make up another set of six scores that are not all the same but in which the mean, median and mode…

A: It is needed to obtain a set of six scores.

Q: When the Standard Score = -1, what is the percentile of the raw score? %3D O 2nd 14th O 16th 34th…

A: It is an important part of statistics. It is widely used.

Q: Heights of NBA All-Star players are normally distributed. 97.5% of players have a height of 85…

A:

Q: What is the formula to find weighted mean.

A: Weighted Mean: A mean in which some values are more important than others.

Q: which is more meaningful in ranking academic performance quartiles or deciles

A: A data set's quartiles divide the data into four equal parts, each containing one-fourth of the data…

Q: Find the z-score that cuts off 65% in the body on the left.

A:

Q: alculate the 40th percentile of the data shown, 1.1,5.5,9,14.3,20.6,24.3,25.6,27.1,27.6,28.7

A: Answer:- Given data,               1.1,5.5,9,14.3,20.6,24.3,25.6,27.1,27.6,28.7               Find…

Q: If a person’s z score equals -2.02, what is their percentile?

A: Given problem Given that   Given Person's z score =  -2.02 Using the Standard Normal Table ( Z Table…

Q: what does being in the 60th percentile mean?

A: Given that 60th percentile   Let a student got 60th percentile in a exam

Q: Your instructor has the Mid-Term examination grades. He told you that the 25th percentile is 51 and…

A: Given that, Your instructor has the Mid-Term examination grades. He told you that the 25th…

Q: What proportion of a normal distribution is located above the mean?

A: z-score: z-score is a standardized score which tells about how many standard deviations does a data…

Q: Compute the standard error of the mean from the following scores; 45, 34, 65, 47, 15, 25 Round your…

A: Given data: scores; 45, 34, 65, 47, 15, 25 To find: standard error of the mean

Q: Fimd the Z score associated with the 15th percentile.

A:

Q: What is the percentile rank of a bag that contains 1025 chocolate​ chips?

A: The mean is 1252 and the standard deviation is 129.

Q: To which percentie,quartile and decile does the median correspond?

A: We want to find the relationship between median, quartile, percentile, decile

Q: A small college takes a salary survey of last year's graduates. One of its graduates is drafted by a…

A: The appropriate measure as the salary representative is to be considered from the specified options…

Q: q11- Median is which percentile of the data? Select one: a. 25th. b. 50th. c. 75th. d. 80t

A: b. 50th

Q: Marla scored 70% on her last unit exam in her statistics class. When Marla took the SAT exam, she…

A: solution:  The difference is that Marla’s exam in her statistics class was graded by percent of…

Q: what range of raw scores makes up the middle 40%

A: The middle 40% means, the scores lie between 30th and 70th percentile. From stand normal, z-score…

Q: student scored in the 75th percentile on the SAT. What does that mean?

A:

Q: The 20th percentile is how many inches?

A: The mean is 64 inches and the standard deviation is 2.5 inches.

Q: The percentile gives an indication of the relative position of the scores. True or False?

A: Partition values are the values which divide the series into a number of equal parts.  * Three…

Q: hat is the median

A: we can create a frequency distribution from the given data x f cf 5 1 1 30 5 1+5 = 6 60 1…

Q: Baseball team A of n=7 scores has a mean = 8.  Baseball team B of n=3 scores has a mean = 12.  if…

A: From the provided information,

Q: Compute the standard error of the mean from the following scores; 45, 34, 65, 14, 15, 25 Round your…

A: Given data: 45, 34, 65, 14, 15, 25 n = 6 To calculate: Compute the standard error of the mean

Q: Compare the mean, median, and mode in terms of their sensitivity to extreme scores

A: The question is about measures Introduction : Extreme scores : The score or observation which is far…

Q: Mina is waiting in line at the Department of Motor Vehicles (DMV). Her wait time is in the 85th…

A: It is clearly given in statement that at Department of Motor Vehicles waiting line is Mina wait time…

Q: in the highest 2.5 percent eat?  What is the z-score

A: Given that 2.5% of the highest area present in the data. That is, P(Z>z)=2.5%=0.025…

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.