Part 3: 3) Identify the critical value(s). If there are multiple critical values, separate them using commas. If using z, round to 2 decimals; if using t, round to 3 decimals. Entor a list of inteder or decimal punnbers (nmere 1

standardized test used in psychology research is designed so that the population mean is 170 and the standard deviation is 50. A subject earns a score of 105. What is the Z-score for this raw score? Z-Score =

State the null and alternative hypotheses for the statistical test described below. Your answer should be an expression composed of symbols: =,≠,<,>,μ,μ1,μ2,p,p1,p2,0.3,ρ,p^,p^1,p^2,r.Testing to see if there is evidence that a proportion is greater than 0.3.   H0:        vs Ha:

Calculate the odds ratio (refer to image)

What is the test statistic and P-value? Please help I am not understanding how to find them.

The mean +/- 1 sd of ln (calcium intake) among 25 females, 12-14 years old,below the poverty level is 6.56 +/- .64. Similarly, the mean +/- 1 sd of ln (calciumintake) among 40 females, 12-14 years old, above the poverty line is 6.8 +/- .76.Would you use a paired t test or a t test for independent samples to answer thisquestion?

use the date form the second picture to answer question 3 please help me with question 3

please solve only part b

Explain the concept of Z-Test Multiple Observations Null Hypothesis?

GEORGIA PIEDMONT TECHNICAL COLLEGE > Chapter 9: Hypothesis Testing with One Sample > Chapter 9: Hypothesis Tests for a Single Population Mean • Question 2 Currently patrons at the library speak at an average of 64 decibels. Will this average change after the installation of a new computer plug in station? After the plug in station was built, the librarian randomly recorded 66 people speaking at the library. Their average decibel level was 60.2 and their standard deviation was 18. What can be concluded at the the a = 0.01 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ?vl| Select an answer V H: ?VSelect an answer V c. The test statistic |? v= (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ?va f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest that the…