t.test(x, alternative = "two.sided" , mu=5) One Sample t-test data: x t=-2.833, df=10, p-value=0.01775 alternative hypothesis: true mean is not equal to 5 95 percent confidence interval: 2.239197   4.669894 sample estimates: mean of x 3.454545 The P-value is equal to?   Group of answer choices: (a)0.02 (b)3.45   (c)-2.83   (d)10

Q: Determine the critical value and choose the correct choice

A: Given: α=0.06 The test is two tailed. The critical values are obtained from Excel using…

Q: Construct a confidence interval for the mean of the paired differences for the two populations with…

A: Solution: From the given information, n=32, d-bar=1.358, α=0.05 and sd=0.635.

Q: A survey information given below, Sample mean = 5.5, s=2.517, df=8 and confidence level 95%…

A: Givensample Mean(x)=5.5standard deviation(s)=2.517Degrees of freedom(df)=8confidence level=95%

Q: Find the left and right critical values used in the confidence interval for the ratio of the…

A: The level of significance is 0.10 (=1-0.90).

Q: if ue want a 96%. confidence nterval on populatron mean with a sample size of a3, find or 土

A:

Q: Use the given degree of confidence and sample data to construct a confidence interval for the…

A:

Q: 88, 89,-58,-52, 64, -100, 39, -98, -52, -34, 46, 47, 29, -8, 94 Send data to calculator se that…

A: We have given that,  X :- -88, 89, -58, -52, 64, -100, 39, -98, -52, -34, 46, 47, 29, -8, 94 Then,…

Q: Determine the sample size for a on-line survey with a variability of 30% and a 95% confidence…

A: Sample size n=z2(p*q)/e2

Q: A professor is trying to find the average exam grade in his class. The sample mean should be within…

A: Determine the value of sample size n. The value of sample size n is obtained as shown below: Use…

Q: Assume that population mean is to be estimated from the sample described. Use the sample results to…

A: Given95% confidence interval N=361 x = 59.1 seconds. z= 4.9 SecondsFind the margin of error?

Q: SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are interested…

A: Critical value: The value of α is 0.05 for 95% confidence level. Using excel formula…

Q: SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are interested…

A:

Q: The estimated prevalence is 11%, and the desired confidence level is 91% with a margin of error of…

A:

Q: Find the population proportion? find the margin of e? construct confidence interval ?

A:

Q: Site image for background. Using your previous answer to part (b), give two-sided 95% confidence…

A: Based on assumption of one-way ANOVA, the variance are assumed to be equal in this situation. Here,…

Q: 20, 19, 25, 27, 26, 21, 26, 19, 18, 16, 28, 19, 21, 23 1.0134986 Consider the sample: Q1. What is…

A: Here given that  Sample:   20,19,25,27,26,21,26,19,18,16,28,19,…

Q: A random sample of gasoline prices in 30 gas stations gives the following statistics: y =$1.29, s…

A: Given  n=30, s=0.16, ȳ=1.29  Find 95% CI for population mean μ

Q: Determine tc for n = 15 and a confidence level of 99%.

A: From the given information, Sample size (n) =15, Confidence level (1-α)= 0.99 Thus, the t-critical…

Q: 4. A random sample of 50 individuals are asked of the number of hours spent on social media on a…

A: Suppose that is the population mean number of hours spent on social media per day.

Q: If n = 530 and X = 424, construct a 99% confidence interval for the population proportion, p. Give…

A:

Q: n= 1655 (nubers of tries), x=176 (number of success tries), 98% confidence. Find the confidence…

A: We have given that  Sample size=n=1655 Favorable=X=176 98% confidence

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.