a) What women’s height corresponds with a z-score of -1.50?

Q: How to Converting to z Scores is done?

A:

Q: →>> What's a standard score?

A: Introduction  from the above question we have to explain what is a standard score

Q: What is the mean for the following score 2,5,4,18

A:

Q: What is formula for converting a Raw Score to z?

A: The standard normal distribution: A continuous random variable Z is said to follow standard normal…

Q: Suppose that the mean score of a class of 29 students was 78. The 16 male students in the class had…

A: From the provided information, The mean score of 29 students was 78. The 16 male students has mean…

Q: 8. Which type of association would you expect between number of hours studied for a test and the…

A:

Q: Anna is 3 years old and in the 42nd percentile for height in her age group. What does this mean?…

A: Given: 1)Anna is 3 years old and, 2) In the 42nd percentile for height in her age group. In the…

Q: Randomly choose any 15 numbers ranging from ≥35 to ≤58, and represent the chosen data by…

A: A random number (RNo.) is a number which is chosen by chance from a given range of numbers or from a…

Q: A survey of 2390 musicians showed that 398 of them are left-handed. Find a point estimate for p, the…

A: We have find population left handed..

Q: A quantitative data set has 22 observations  when arranged in descending order what is the value of…

A: The quantitative data set has 22 observations.

Q: What is the p-value only?

A: It is given that  In the original solution  The value of the test statistic is z = 3.92. The given…

Q: What length of nails is considered to be at the 58th percentile of all nails?

A:

Q: Describe about the Converting a Raw Score to z.

A:

Q: What is the main difference between z score and T score?

A: Z Score and T scores are both used in Hypothesis testing.  Z score is used while using z test and T…

Q: What are the steps for Finding Proportions for One Score?

A:

Q: On his 5 tests, Ahmad earned a total of 450 points. What was his mean number of points earned per…

A: The objective of this question is to find the mean number of points Ahmad earned per test. The mean…

Q: Q) In a factory of plates, the mean weight of 13 plates was found to be 45. After inspection, it was…

A:

Q: Bonita obtained 22/30 for a Geography test and 18/25 for a history test In which subjects did she…

A: Marks obtained in Geography is 2230 marks obtained in history is 1825 we need to compare two…

Q: The mean IQ score of the students enrolled in University X is 100 and the standard iation is 16.1 A)…

A: Consider X be a random variable which follows normal distribution indicates the IQ scores of the…

Q: In the concept of Inter quartile range (IQR), it divides the whole data set into ---- parts. Select…

A: When a data has extreme values (highest and lowest values), its statistics is summarized by…

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: At the local college, a study found that students earned an average of 8.5 credit hours per…

A: Given, the average credit hour per semester is 8.5. The sample size is 127 students.

Q: Please explain how you got the 9.36 z-score test statistic?

A: Z for difference of proportion is given by,  Z= p1-p2/(S.E.)  SE is standard error which is…

Q: The mean score on a set of 23 tests is 76. Suppose two more students take the test and score 70 and…

A: given data n = 23 had mean of 76 . two more students take test and score 70 and 65. new mean  = ?

Q: A teacher claims that over 14% of maths students are married. In the suevey at the beginning of…

A:

Q: What is p value ?

A: The​ P-value is the probability of observing difference in the sample statistic this high or higher…

Q: How do i calculate finding the percentage between two z scores?

A: To find the probability between two z-scores: z-score represents the number of standard deviations…

Q: 2. Explain the steps of finding the IQR.

A: 2) The steps to finding the value of IQR is, Step 1: First arrange the data in ascending order Step…

Q: Describe the formula used to calculate a z-score?

A: The formula used to calculate z-score is

Q: What’s the formula to turn a Z score to a T score?

A: The  score is the standardized score obtained by using population data or large samples .The  score…

Q: explain what is measured by the sign of a z -score and what is measured by its numerical

A: here use basic of standard normal random variable z -score

Q: What is the discrimination coefficient?

A: Discrimination coefficient

Q: In a survey, the median household income in a country was found to be £27000, and the mean household…

A: Given: Mean=53000Median=27000

Q: how do i calculate a z score or find the X-Value and determine if a score is usual or unusual

A: A z-score measures exactly how many standard deviations above or below the mean a data point is.

Q: 4) 99.7% of the data in a sample was located between the scores 4 and 22. What is the mean and SD…

A: 99.7% of the data in a sample was located between the scores 4 and 22.

Q: Thanks. Why is Kathy's score considered better-is it because it is a posituve score? What does the Z…

A: Bobby' Z- score ( wasZ=Bobby's score  of 1080 was between 1 and 2 standard deviation above the mean…