1. Aresearcher wanted to know if there is a relationship between level of anxiety students have and their score on the final exam. Report results in APA style and interpret.

Q: Discuss the meaning and use of THREE (3) measures of central tendency and TWO (2) measures of…

A: Introduction: A measure of central tendency of data is a measure of the tendency of the values to…

Q: when is the significance level determined

A: The significance level defines that the probability of rejecting the null hypothesis when it is…

Q: 3. A recent report stated "Based on a sample of 130 truck drivers, there is evidence to indicate…

A: In inferential statistics, the researcher takes data from samples and make generalizations about a…

Q: In a study to see if there is a relationship between students' consumption of alcoholic beverages…

A: As per question, There is relationship between student’s consumption of alcoholic beverages and…

Q: What are the three different measures of central tendency?

A: The three measures of central tendency are: 1.Arithmetic Mean:The arithmetic mean of a variable is…

Q: Listed below are "likability" ratings made by participants in a speed dating session. Use a 0.05…

A: It is required to test whether the male ratings are less than female ratings. The difference between…

Q: Test the claim that the proportion of people who own cats is larger than 20% at the 0.05…

A: Claim : Proportion of people who own cats is larger than 20% = 0.2 Sample size is n = 300 Sample…

Q: . The administrator of a new paralegal program at Seagate Technical College wants to estimate the…

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, we have…

Q: Use Spearman's r, to measure the agreement between experienced and novice clinicians.

A: 10. The spearman's rank correlation formula is, rs=1-6∑id2nn2-1 In the formula, n is the number of…

Q: A psychologist wanted to know if students in her class were more likely to cheat if they were low…

A: A descriptive statistic is a summary statistic that quantitatively describes or summarizes features…

Q: An article comparing the value of several popular Caribbean resorts collected the following data:…

A: In statistics, according to measurement, data can be categorized in two types, such as quantitative…

Q: Construct a histogram that represents the following data regarding the score ranges for the…

A: The data is: Class Frequency 14 – 17 4 18 – 21 9 22 – 25 5 26 – 29 5…

Q: In your own words, distinguish between measures of association and tests of statistical…

A: The measures of association terms generally used for the correlation coefficient. The correlation…

Q: 3. Is there a relationship between the number of children respondents have ever had and the number…

A: Pearson correlation coefficient measures the strength and direction of relationship between two…

Q: What is the lowest measure of central tendency and is used primarily for nominal data to identify…

A: We know there are mainly three measures of central tendency:Mean, mode and medianWe first know where…

Q: 2 Researchers examined the relationship between interpersonal violence and health in college-age…

A: The variable, 'scores of psychological distress for college-age women' is a quantitative variable.

Q: Is “how long it takes to correctly solve the puzzle” an explanatory variable or response variable?…

A: The variable that explains the expected cause, i.e., in other words, the variable that explains the…

Q: What measure of central tendency is most appropriate to use if you want to know the passing score if…

A: Mean: It is an “arithmetic” mean. Mean is probably the most familiar average. The mean (of a set of…

Q: What is level of significance?

A: Level of significance: The significance level is a value used as a criterion for deciding how small…

Q: Is there evidence of an association between the duration of the pregnancy and the level of care…

A: Given:     Preterm (induced or cesarean Preterm (without procedures) Term  or post term Total…

Q: A psychologist wanted to know if students in her class were more likely to cheat if they were low…

A: Given information: The data represents the ratings of cheating for three achievement group.

Q: Define the term favorable outcomes and unfavorable outcomes?

A:

Q: Belsky, Weinraub, Owen, and Kelly (2001) reported on the effects of preschool child care on the…

A: The average rating of behavioral problems for kindergarten children is m=35 A sample of size n=16 is…

Q: What is the explanatory variable ?

A: What is the explanatory variable ?

Q: Discuss the measures of central tendencies and the situations in which one is a better…

A: The 3 most common measures of central tendency are the mean, median and mode. 1) Mean: Or we can…

Q: Discuss all possible factors that would affect the validity of test scores

A: A test score is the value of the test statistic when the values of the parameter are put.

Q: Provide three different situations to illustrate how a different measure of central tendency is…

A: Mean Mean is the most widely used measure of Central Tendency that is used in Statistical analyses.…

Q: The researcher believes that happy workers are more productive workers. So he administers a job…

A: It is given that the researcher believes that happy workers are more productive workers.

Q: A teacher wishes to know whether the males in his/her class have more favorable attitudes toward gun…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Explain why the use of a level of significance of 5% is not best in all circumstances.

A: There are two types of error, which are as follows Type I : Reject the null hypothesis when it is…

Q: If you wanted to determine whether mean levels of blood glucose were different according to gender…

A:

Q: For the folllwing two questions state the response variable and the explanatory variable 1.Is there…

A: 1. In this problem, the response variable is final rating given by the customer. And the explanatory…

Q: 2) A researcher suspects that there is a relationship between substance use and sexual activity…

A: In statistics, for analysis purposes, we collect the data. According to the objective of the survey…

Q: The higher the level of significance, the more prone to errors is the decision. True or false?

A: The higher the level of significance , make it easier to reject Ho. so higher of level of…

Q: If it noted that a significance levels are typically set at 0.05 (most common) and 0.01. Can you…

A: The significance level in hypothesis testing helps in rejecting or accepting the null hypothesis in…

Q: Discuss the measures of central tendencies and the situations in which one is a better…

A: Measures of central tendency are described below.

Q: What do we assume our Level of Significance to be unless otherwise specified?

A: Significance level ( alpha ) :  The significance level, also denoted as alpha or α, is a measure of…

Q: What's the difference between naturalistic observation and systematic observation?

A: According to the given information, it is required to write the difference between naturalistic and…

Q: What does level of significance indicates?

A:

Q: Suppose we wish to compare the health status of two groups of people. What variables might we use to…

A: Given information: The investigator is specially interested to compare the health status of two…

Q: Why is hair color classified as categorical data?

A: In categorical variable we simply assign labels for identification. Categorical values are discrete…

Q: 1. Does correlation imply causation?

A: It is an important part of statistics. It is widely used.

Q: A study was done to determine if food insecurity/hunger impacts psychological distress (this is fake…

A: Provided data is,  No food insecurity Moderate food insecurity Severe food insecurity 5…

Q: claim that the mean IQ score of people With low blood lead levels is higher than the mean IQ score…

A: Step 1: The claim that the mean IQ score of people with low blood lead levels is higher than mean IQ…

Q: A clinical psychologist took a sample of four people from the population of people with anxiety…

A:

Q: elect a significance level α and reject the null-hypothesis if the p-value is less than α. Explain,…

A: The given R output is,