What are the correct hypotheses for this test? The null hypothesis is H₂: ▾ Y ▼ The alternative hypothesis is H, V Calculate the value of the test statistic. 2. = (Round to three decimal places as needed.) Jse technology to determine the P-value for the test statistic. The P-value is Round to three decimal places as needed.) What is the correct conclusion at the a=0.10 level of significance? Since the P-value is than the level of significance, ▼ the null hypothesis. There ▼sufficient evidence to conclude that the standard deviation has decreased at the 0.10 level of significance.

Find the​ P-value for the indicated hypothesis test with the given standardized test​ statistic, z. Decide whether to reject H0 for the given level of significance α.   ​Right-tailed test with test statistic z=1.85 and α=0.09       ​P-value=enter your response here ​(Round to four decimal pla

12 data values randomly collected from a normally distributed population has A sample of n variance s? = 17.2. We wish to test the null hypothesis Họ:o? = 9.9 against the alternative hypothesis H1 :0? > 9.9 at a significance of a = 0.05. What is the value of the test statistic? Write your answer rounded to 3 decimal places. What is the critical value? Write your answer rounded to 3 decimal places. Do we reject the null hypothesis? O we fail to reject the null hypothesis. O we reject the null hypothesis.

Test of independence between X and Y. Does it reject or not the null hypothesis if chi-squared test statistic (0.009) is lower than the significance level (1%)? Would the variables be independent or not?

- 1.80 Starbucks Coffee Co. uses a data-based approach to improving quality and customer satisfaction. An experiment was conducted to determine the factors in the bag-sealing equipment that might be affecting the ease of opening the bag without tearing the inner liner of the bag. Among the factors that could affect the rating of the ability of the bag to resist tears were the viscosity, pressure, and plate gap on the bag-sealing equipment. The accompanying data were collected on 18 bags in which the plate gap was varied. Develop a multiple regression model that uses the viscosity, pressure, and plate gap on the bag-sealing equipment to predict the tear rating of the bag. Do you think that you need to use all three independent variables in the model? Explain. E Click the icon to view the bag data. State the multiple regression equation that uses the viscosity, pressure, and plate gap on the bag-sealing equipment to predict the tear rating of the bag. Let X, be the viscosity, let X2 be…

Find the P-value for the indicated hypothesis test with the given standardized test statistic, z. Decide whether to reject H, for the given level of significance a. Two-tailed test with test statistic z = - 1.69 and a = 0.07 P-value = (Round to four decimal places as needed.)

The display provided from technology available below results from using data for a smartphone carrier's data speeds at airports to test the claim that they are from a population having a mean less than 6.00 Mbps. Conduct the hypothesis test using these results. Use a 0.05 significance level. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? A. Ho: μ = 6.00 Mbps H₁: μ 6.00 Mbps Display from Technology T-Test μ < 6.00 t= 3.608327 p = 0.000361 x = 5.39 Sx = 1.195388 n = 50

You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly more than 0.86. You use a significance level of α-0.01. Ho:p = 0.86 H1:p > 0.86 You obtain a sample of size n = 323 in which there are 290 successes. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = %3D

This is a 3 part question please help!