etermine the number of scores between 19.5 and 51.5.

Q: Marks Number of Students 8. 4 10 9. 6. 6. 8. 4. 9. 3 If the average marks for all the fifty students…

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: Find the p-value (decimal rounded to nearest 4 places) A company claimed that 75% of their…

A:

Q: find the test value used to test the claim that the proportion of jellyfish stings at jones beach is…

A: Given, Sample size = 696 Sample proportion = 0.30   The null and alternative hypothesis is:

Q: how do you calculate the P-value without excel

A: From the given solution, we get z = -0.957    = -0.96       ( round upto 2 decimal places )…

Q: Only 12 men have walked on the moon.  The average time these men spent on the moon was 43.92 hours.…

A: Sample: A smaller group of individuals taken from the population is called the sample. Statistic: It…

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: Which z-score is the nearest to the mean? +0.50 +0.75 +1.00 -0.25

A: We will find z-score is the nearest to the mean? +0.50 +0.75 +1.00 -0.25 ?

Q: Find the p-value (decimal rounded to nearest 4 places) A company claimed that more than 75% of…

A:

Q: Gorge  gets 83 or 82  as his grades on his three main subjects Constrict a  sampling distribtuon of…

A: Gorge  gets 83 or 82  as his grades on his three main subjects

Q: Supposed that you were asked to examine the relationship between the height of children and their…

A: The test statistic is given as-  t=estimate/standard error For slope, t=0.73/0.10=7.3 For intercept,…

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: I think you are wrong on the median for Rural. I get 8.1. Can you please check other answers as…

A: For Urban, the data in ascending order is11, 11, 12, 13, 16, 18, 18, 21, 22, 24, 29, 49, 94,, 107,…

Q: A teacher claims that over 11% of maths students are married. In the survey at the beginning of…

A: Answer: From the given data, Population proportion (P) = 11% = 0.11 Sample size (n) = 50 Sample…

Q: 95 percent divided .025 what is the z score?

A: The z-score is obtained as given below: PZ≤z=0.025z=ϕ-10.025=-1.96  Using Standard normal table

Q: Test whether patients getting Treatment 1 are more likely to survive, if 62 out of 82 getting…

A:

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

A:

Q: Hi, Can you help me with this question? A survey of 600 non fatal accidents show that 261 involved…

A: We have given that,  Favorable cases (X) = 261 and sample size (n) = 600 Then,  We will find the…

Q: What percent of scores are below a T score of 56?

A: Given, T score is 56. Now,

Q: A sample of 3800 people were asked if they felt "good" about the economy. A 95% CI for the…

A: We have given 95% confidence interval for the proportion of who answer yes0.58<p<0.62 and…

Q: 110 students at a college were asked whether they had completed their required English 101 course,…

A:

Q: Round the point estimate to the nearest thousandth. 368 randomly selected light bulbs were tested in…

A: Given Data Sample Size, n = 368 Number of successes, x = 94

Q: A social worker reports that 30% of workers in a factory are below 15 years of age. Of the 120…

A: Let p denotes the population proportion of workers in a factory who are below 15 years of age. Given…

Q: What would s2 = 0 tell you about your sample? What would s2 = -25.397890175675 tell you?

A:

Q: Compare the p-value computed to the margin of error =0.05 which is higher…

A:

Q: Could you explain where t-score = -1.97 for 5% come from? I don´t see anywhere

A: The sample size n is 221.

Q: 0,26,40,36,23,42,35,24,30,33 determine the value represents the 60th percentile

A: Provided data is: 20, 26, 40, 36, 23, 42, 35, 24, 30, 33. The observations P1, P2, …, P99 which…

Q: why do we study or use 5 averages in statistics? Elaborate

A: The 5 types of averages we use in statistics are: 1- Arithmetic mean 2-Mode 3- Median 4-Root mean…

Q: competed in an ironman race, J

A: Here it is given that - 3500 people competed in an ironman race, John finished 805th,

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

A:

Q: Describe how to find approximate p-Values.

A:

Q: A pediatrician wants to determine the relation that may exist between a child's height and head…

A: Formula : Se =√(SSE/(n-1))

Q: When estimating the proportion of Ole Miss students that support moving the Confederate statue, how…

A:

Q: Explain the sample mean of the difference scores varies.

A:

Q: Out of 220 racers who started the marathon, 199 completed the race, 19 gave up, and 2 were…

A: Since you have posted multiple questions i can do first question as per our company guidelines…

Q: How do ypu find the preducted score is the price is $60

A: Let the independent variable (x) = price ($) Let the dependent variable (y) = overall score The…

Q: The p-value is not 0.0149.

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

Q: SOLVE FOR THE FOLLOWING with complete solution:  1, 2, 2,  3, 4, 4, 5, 6, 7, 8, 8, 9, 11, 13, 15,…

A:

Q: Claim: Fewer than 91% of adults have a cell phone. In a reputable poll of 1167 adults, 85% said that…

A: Given that  p = 91% = 0.91 , q = 1 - p = 1 - 0.91 = 0.09 n = 1167 , p^ = 85% = 0.85

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: z-score that is greater

A: we can assume it to be standard normal distribution with mean = 0 standard deviation = 1

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

A: The formula used to calculate z-score is

Q: on a 100 item test romel got a score of 88 which is the 9th decile what does it mean

A: Di = i * (n + 1)  10 th data

Q: Find P₄₁ , which is the score separating the bottom 41% from the top 59%. P₄₁ =

A: It is given that the area is 0.41.