Average Age for ICU PatientsThe ICUAdmissions dataset includes a variable indicating the age of the patient.Find a 90% confidence interval for mean age of ICU patients using the facts that, in the sample, the mean is 57.55 years and thestandard error for such means is SE = 1.42. The sample size of 200 is large enough to use a normal distribution.Click here for the dataset associated with this question.Round your answers to two decimal places.The 90% confidence interval isto

Given data,x=57.55SE=1.42n=200z-value at 90% confidence is Zc=1.645

The ICUAdmissions dataset includes a variable indicating the age of the patient. Find a 90% confidence interval for mean age of ICU patients using the facts that, in the sample, the mean is 57.55 ye standard error for such means is SE = 1.42. The sample size of 200 is large enough to use a normal distribution. Click here for the dataset associated with this question. Round your answers to two decimal places.

The ICUAdmissions dataset includes a variable indicating the age of the patient. Find a 90% confidence interval for mean age of ICU patients using the facts that, in the sample, the mean is 57.55 ye standard error for such means is SE = 1.42. The sample size of 200 is large enough to use a normal distribution. Click here for the dataset associated with this question. Round your answers to two decimal places.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: of the cholesterol levels are assumed to be abnormally high, what would be the lowest cholesterol…

Q: Refer to Table 2. Interpret the first quartile that you calculate from question 14. at least 25…

A: The following data is given: 5, 12, 6, 8, 5, 6, 7, 5, 12, 4.

Q: The accompanying table summarizes successes and failures when subjects used different methods when…

A: The given P-value is 0.003. Decision rule: If P-value≤α, then reject the null hypothesis. Otherwise,…

Q: Provide descriptive statistics for your program. How many males and how many females were enrolled…

A: As per guidelines we will solve the first question only, please repost other questions for more…

Q: A normal distribution has a mean of 20 and a standard deviation of 4. Determine the z-score for the…

A: Given that a normal distribution has a mean of 20 and a standard deviation of 4. We need to…

Q: Hospital Noise Levels For a sample of 26 operating rooms taken in a hospital study, the mean noise…

Q: meis is takeh fröm a data set and those values (mm Hg) are listed below. The values are matched so…

A: Given data, For systolic: 96,125,145,99,146,100,103,117,144,126 For diastolic:…

Q: Daily Driving The average number of miles a person drives per day is 24. A researcher wishes to see…

A: Given: n=25x¯=22.5σ=4.1α=0.01μ=24 The test hypothesis are, H0: μ = 24 H1: μ < 24. The hypothesis…

Q: It takes an average of 8.7 minutes for blood to begin clotting after an injury. An EMT wants to see…

Q: QUESTION 9 You hypothesize that drinking tea reduces stress levels so you design a study comparing…

A: given data do not drink tean1 = 21x¯1 = 76s1 = 25drink tea : n2 = 26x¯2 = 62s2 = 13

Q: As the president outlined sweeping new proposals aimed to reduce gun violence, a new CBS News/New…

A: 1. What are the sample and the statistic for the CBS News poll? Sample : 1110 adults nationwide…

Q: QUESTION 7 You hypothesize that drinking tea reduces stress levels so you design a study comparing…

A: given data do not drink tean1 = 21x¯1= 76s1 = 25drink tea : n2 = 26x¯2= 62s2 = 13

Q: A doctor wants to estimate the mean HDL cholesterol of all 20- to 29-year-old females. How many…

A: The sample size is defined as the number of observations used for determining the estimations of a…

Q: In order to estimate the average time spent on an exam at a local university, data were collected…

Q: A test has a mean score of 150 and a standard deviation of 12. Soores are normaly distributed. What…

A: Given that, μ=150 and σ=12 We have to find, P(133<X<164)

Q: Asian Values STATISTICAL GUIDE The amount of variability in a distribution is a very important…

A: We have to answer questions based on sampling.

Q: 19. Hospital Noise Levels Noise levels at various area urban hospitals were measured in decibels.…

A: Given n = 84X = 61.20 = 7.9z= 1.96 for 95% confidence interval

Q: in how you determined your findings. How many children scored lower than Emily? How many children…

A: The standard normal variate of the normal distribution is continuous and follows that z~N(0,1). The…

Q: Week 3 Please provide solutions and steps in an excel spreadsheet Diastolic Blood pressure are…

A: Let X be the diastolic blood pressure. X follows normal distribution with mean of 85 and standard…

Q: mean of 3 1 and a standard deviation of 19.5 Complete parts (a) and (b) below Click here to view at…

A: Solution: Given information: n= 47 Sample size x= 3.1 Sample mean s= 19.5 Sample standard deviation…

Q: Daily Driving The average number of miles a person drives per day is 24. A researcher wishes to see…

A: We have to identify null and alternate hypothesis.

Q: sted below are the overhead widths (in cm) of seals measured from photographs and the weights of the…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts. In case…

Q: Heights for teenage boys and girls were calculated. The mean height for the sample of 73 boys was…

A: given data, n1=73x¯1=167s12 =71s1=8.4261n2=47x¯2=180s22 =66s2=8.124

Concept explainers

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.

Question

Average Age for ICU Patients
The ICUAdmissions dataset includes a variable indicating the age of the patient.
Find a 90% confidence interval for mean age of ICU patients using the facts that, in the sample, the mean is 57.55 years and the
standard error for such means is SE = 1.42. The sample size of 200 is large enough to use a normal distribution.
Click here for the dataset associated with this question.
Round your answers to two decimal places.
The 90% confidence interval is
to

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Point Estimation, Limit Theorems, Approximations, and Bounds$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.

Similar questions

Heights for teenage boys and girls were calculated. The mean height for the sample of 50 boys was 167 cm and the variance was 57. For the sample of 56 girls, the mean was 153 cm and the variance was 67. There is no reason to assume the variances would be equal. Estimate how much taller teenage boys are using a 99% confidence level. Express this in the (point estimate) ± (margin of error) format. Round answers to 2 decimal places. H
please answer the question in the photo. Thank you
Page 2 of 5 B. Organizing and Working with Data. 1. Find the z-score for the weight of a 155-pound woman. The mean weight of woman age 20 or older is 170.6 pounds with a standard deviation of 5.4 pounds. Round your answer to two decimal places.
I'd like the first question answer, the one that fills in the boxes. I can do the rest
Heights for teenage boys and girls were calculated. The mean height for the sample of 51 boys was 183 cm and the variance was 66. For the sample of 71 girls, the mean was 173 cm and the variance was 61. There is no reason to assume the variances would be equal. Estimate how much taller teenage boys are using a 87% confidence level. Express this in the (point estimate) ± (margin of error) format. Round answers to 2 decimal places. H
Clear writing please
Choose the appropriate statistical test. When computing, be sure to round each answer as indicated. A dentist wonders if depression affects ratings of tooth pain. In the general population, using a scale of 1-10 with higher values indicating more pain, the average pain rating for patients with toothaches is 6.8. A sample of 30 patients that show high levels of depression have an average pain rating of 7.1 (variance 0.8). What should the dentist determine? 1. Calculate the estimated standard error. (round to 3 decimals). [st.error] 2. What is thet-obtained? (round to 3 decimals). 3. What is the t-cv? (exact value) 4. What is your conclusion? Only type "Reject" or Retain"
do the last one please
Refer to the data set in the accompanying table. Assume that the paired sample data is a simple random sample and the differences have a distribution that is approximately normal. Use a significance level of 0.05 to test for a difference between the weights of discarded paper (in pounds) and weights of discarded plastic (in pounds). LOADING... Click the icon to view the data. In this example, μd is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the weight of discarded paper minus the weight of discarded plastic for a household. What are the null and alternative hypotheses for the hypothesis test? A. H0: μd≠0 H1: μd>0 B. H0: μd=0 H1: μd<0 C. H0: μd=0 H1: μd≠0 D. H0: μd≠0 H1: μd=0 Household Paper Plastic 1 6.44 8.40 2 7.72 3.86 3 3.27 0.63 4 9.19 3.74 5 14.33 6.43 6 11.08 12.47 7…
can someone answer 3 and 5? please and thanks
Please only answer questions C and D
i already have answer in question A-C. please help me answer the rest. topic unknown standard variation thank you