b. The test statistic (t |(please %3D show your answer to 3 decimal places.) c. The p-value = (Please show your answer to 4 decimal places.)

Q: d. Your doctor tells you you are in the 30th percentile for blood pressure among US adults. What is…

A: We have to find score for given percentile.

Q: c. The test statistic d. The p-value = v = 1.933 x (please show your answer to 3 decimal places.)…

A: Given that  Sample size n =393 Favorable cases x =94

Q: Use the Sales information above to answer this question. What is the expected profit if Jesaki Inc.…

A:

Q: a. What is the percentile rank for X = 9.5? b. What is the percentile rank for X = 19.5? c. What is…

A: Heh there! Thanks for posting the question. Your question has more than three sub-parts. However, we…

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: We have to find test statistics.

Q: At what value does a percentile rank of 80% correspond to?

A: Given data, 22 18 135 15 90 78 69 98 102 83 55 28 121 120 13 22 124 112 70 66 74 89 103 24 21…

Q: A survey of 100 fatal accidents showed that 17 were alcohol related. Find a point estimate for p,…

A: Given ,   n = 100  x = 17

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A:

Q: 43. What is the value of E(X - 2) for the scores: 1, 2, -2, 4, 5?

A: Here given that: Score( x) : 1, 2, -2, 4, 5 Make a table of x and (x - 2)  Then sum the column (x -…

Q: 26) If the 85 percentile of a t-distrbution is 1.250, what is its degree of freedom? A. 3 В. 4 C.5…

A: 26) The percentile is 85th and t-distribution value is 1.250. From the t distribution table, locate…

Q: Ex. X = 400 Y = 700 Exr = 15, 000 Σε X2 = 16, 229 y2 = 50, 000

A:

Q: Cost of each lunch for the month (in dollars) T + 8 9. 10 What is the median (Q2)? What is the first…

A:

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: Let p^1 represents the sample proportion of men who own cats and  p^2 represents the sample…

Q: (b) What proportion of the strength observations are at least 85? Less than 95? (Round your answers…

A: b) i) The frequency for strength observations are at least 85 is 18+30+43+24+22+14+3=154.

Q: What proportion of z scores lie between -1 and +1 in the "height in inches" data set?

A: We have to find the probability such that P(-1 < Z < 1)

Q: Refer to the table below:                                      Do you smoke? Sex…

A: Answer is 2.36

Q: 6. Sophia took a test and scored in the 79th percentile. (a) What percentage of the scores were at…

A: Given that 79th percentile

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A:

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: Given data:  claim The proportion of men who own cats is smaller than the proportion of women who…

Q: E(x; -x)? The formula of the sample variance S= %3D 15 n-1

A:

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A:

Q: a. What percent of people waited less than 15 min. b. What percent of people waited less than 20…

A: Hi, we are supposed to answer three subparts at a time. Since you have not mentioned which subpart…

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A:

Q: c) Find the test statistic, round answer to at least 3 decimal places. d) What is the p-value? Round…

A: Solution : See the excel output find the Observed counts and Expected counts see in excel sheet

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: Formula : Test statistic  :

Q: Given that X Uniform [a,8] with an 80th percentile value of 5.5. Find the value of a. -0.3 1.282…

A:

Q: You are testing the daim that the proportion of men who own cats is larger than the proportion of…

A:

Q: :The median is equivalent to The middle quartile (Q2) O The fifth decile (D5) O The 50th percentile…

A: A measure of central tendency describes a set of data by identifying the central position in the…

Q: a. What is the percentile rank for X- 9.5? b. What is the percentile rank for X-19.5? c. What is the…

A: Percentile is a number, where a certain percentage of scores fall below that number. The percentile…

Q: Suppose you want to predict the percentage of successful field goals a professional basketball…

A: 1. The provided information is  x y xy x2 45 69 3105 2025 46 78 3588 2116 70 68 4760 4900…

Q: 30. How many observations fall above the 7th decile of the price-earnings ratio? A. 5 В. 6 C.7 O D.…

A: Here given 19 data of price earning ratio...arrange given data in ascending order further steps are…

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A:

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: We have given that  Sample sizes n1=60    n2=160 Sample proportion p1^=0.85 , p2^=0.30

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: Here p1 represents the population proportion of men who own cats and p2 represents the population…

Q: A survey of 100 fatal accidents showed that 26 were alcohol related. Find a point estimate for p,…

A: Given information: Sample size of the survey of fatal accidents n=100 Number of accidents that were…

Q: For a sample of 12 offenders convicted of weapons violations, the length of prison sentence in…

A: to find mean valuemean = sum of observations/ count of observationsmean = (6 + 6 + 2 + 12 + 36 + 48…

Q: You are doing a problem that requires you to use the Student's T-table. a.) If the number of…

A: Note: Thank you for the question. Since multiple questions are posted, according to our policy, we…

Q: c) Show that the test statistic t = is equivalent to t= where S.E(B1) = S.E(31)'

A: Reviewing information, Given, t=β1^S.E.(β1^)

Q: 1 d) 50 percentile is the same as the mean. True False

A: 50th percentile is the same as the mean Select true or false ?

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A:

Q: You are conducting a study to see if the proportion of women over 40 who regularly have mammograms…

A:

Q: Find the value of the test statistic. Round to 3 decimal places. Claim: The proportion of…

A: Given X=180 n=500 P0=0.42

Q: 2. What z-score is required for each situation? a) 12% to the right of the z-score? b) 12% to the…

A: The z-score follows standard normal distribution.

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A: There are two independent samples which are men and women. We have to find the value of the test…

Q: If t=1.093 with degrees of freedom equal to 10, what percentile does this represent?

A:

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: Given that  Sample men (n1) = 100 Men own cats (p1)  = 35% = 0.35 Sample women (n2)  = 120 Women own…

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A: For the given data Perform z test for two proportions

Q: Solve the problem. Round the point estiamte to the nearest throusandth.  6) Find the point estimate…

A: Let X be the people had hearing aids  n be the random sample Given X=20, n=304

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: Let, p1=proportion of men=0.9p2=proportion of women=0.4n1= sample size of men = 80n2= sample size of…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.