The company wants to know whether there is any relationship between employee position in the company and months categories. (Significance level = 0.01)

Q: Is there a significant relationship between a person's age and time spent on social media in a day?…

A: The objective is to fit a regression equation of the given data. Age (X) Time for social media in…

Q: Why are sample characteristics important in inferential statistics and research?

A: Statistical Inference: To infer about the population on the basis of sample observation is known as…

Q: If the estimated power of a significance test is 0.6, it means that

A: The power of a significance test is basically the probability of not making type 2 error. The type 2…

Q: when is the significance level determined

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

Q: what is Interpretation anxiety in statistics ?

A: Statistics anxiety: In general, statistics anxiety is a multidimensional functionality that…

Q: What statistical test would you use to compare three different groups on some dependent variable?

A: Given : What statistical test would you use to compare three different groups on some dependent…

Q: what statistical tool to use in:  significant difference between the set of factors identified by…

A: introduction - statistical tools - Statistical tools are used for planning , designing , decision…

Q: In Ontario, chemical accidents account for 1 in 5 workplace accidents. In Que- bec, out of a sample…

A: Introduction: Denote p as the true proportion of workplace chemical accidents in Place Q.

Q: Test the claim that the proportion of people who own cats is larger than 90% at the 0.01…

A: Given claim: The proportion of people who own cats is larger than 90%. Null Hypothesis: H0:…

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: Examine your ANOVA table to see if there is a significant difference between cannabis use and social…

A: Provided information is, two-way ANOVA was used to examine the effect of anxiety level and cannabis…

Q: Pages were randomly selected from one book each from authors A, B, and C. The accompanying table…

A: There are 3 independent samples which are A,B and C. We have to test whether pages from books by…

Q: company scientist is testing whether the mean level of a toxin in a newly created children’s…

A: 1] n= 5000  2] μ0=5 mg

Q: What does The level of significance spotlights?

A: Level of significance is used in hypothesis testing. It is defined as the Type I error. The symbol…

Q: What is the difference between correlation and causation?

A: Correlation: Correlation analysis is used to measure the strength of the association between…

Q: Explain Misconceptions about significance testing?

A: Misconceptions about significance testing is, The probability value is defined as the probability…

Q: How can we compare the P-value to the significance level α.?

A:

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 the relationship between industrial production and the application of statistical…

A: Industrial production is a measure of output of the industrial sector of the economy. The industrial…

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: Describe the statistical pattern by which customers are generated over time must also be specified?

A: Queuing theory are used to measure the waiting, service level, service, waiting time, system etc.,…

Q: What are two reasons that some people in the field believe significance testing should be banned?…

A: Here we want to discuss reasons that some people in the field believe significance testing should be…

Q: Pages were randomly selected from one book each from authors A, B, and C. The accompanying table…

A: Given :

Q: A high school guidance counselor is interested in the strength of relationship between proximity to…

A: counselor wants to know the strength of relationship between proximity to school and participation…

Q: Test the claim that the mean GPA of Orange Coast students is larger than the mean GPA of Coastline…

A: Given, we assume O for orange coast students; nO = 25 xO = 3.29 sO = 0.03 we assume C for coastline…

Q: Is there a significant relationship between a person's age and time spent on social media in a day?…

A: Solution-: Let, X= Age and Y= Time for social media in a day (hours) For the given data we want to…

Q: Use a 0.05 significance level to test the claim that cans of regular Coke and diet Coke have the…

A: It is given that the sample statistics for the regular coke and diet coke.

Q: There is a significant relationship between the data sets at the 55% significance level. There is Ya…

A: The value of correlation coefficient is given by r = 0.986

Q: 1. What is the measure of central tendency suitable for summarising the data on ice cream flavours?

A: Given data: What is the measure of central tendency suitable for summarising the data on ice cream…

Q: A researcher assesses eye color for a sample of n = 50 people. Which measure of central tendency…

A: Here, the researcher assesses eye color for a sample of 50 people.

Q: The use of cellular phones in automobiles has increased dramatically in the last few years. Of…

A: Hypotheses: H0: There is no relationship between phone use and accidents.H1: There is a relationship…

Q: 1. Aresearcher wanted to know if there is a relationship between level of anxiety students have and…

A: the hypothesis for correlation test is  H0: there is no correlation between the level of anxiety…

Q: Assume you are using a significance level of a = 0.05| to test the

A: As given,  α = 0.05 We have to test the claim: µ < 20  Sample size ( n ) = 33 µ = 14 and σ = 8…

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: (i) What is the mean number of cards held by a person from this group? (ii) What is the variance of…

A: Given: Y   X 0 1 2 3 4 Total 1 0.08 0.13 0.09 0.06 0.03 0.39 2 0.03 0.08 0.08 0.09 0.07…

Q: 5% is a very common significance level for significance tests, but it Is arbitrary

A: Level of significance helps researcher to make decision about the null hypothesis.

Q: What does level of significance indicates?

A:

Q: Explain if there was a statistically significant difference between the group means. did you arrive…

A: Test is that whether there was a difference between the three means. Level of significance = 0.01

Q: find 2nd quartile for given data 12,15,14,6,9,7,5,3,4,15,25

A:

Q: Why is hair color classified as categorical data?

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

Q: what is the p value if the test static is 1.319 and the significance level is 0.01?

A: Testing of Hypothesis: Testing of hypothesis is a rule which, when the sample values have been…

Q: The within subjects ANOVA may be used with

A: A one-way repeated measures ANOVA is used to determine whether three or more group means are…

Q: The accompanying table describes the distribution of eye colors reported by male and female…

A: There are two categorical variables which are gender and eye color. We have to test whether gender…

Q: Describe how you will be able to compute for observed significance level or p-value of a given data…

A: Please find the explanation below. Thank you

Q: Do Men Talk Less Than Women? Refer to Data Set 24 “Word Counts” and use the measured word counts…

A: The data shows the word counts for men and women and the level of significance is α=0.05. Assume…