What is the effect size?

Q: What percent of the students who had chores also had a curfew?

A:

Q: Why is minimizing or eliminating biases is more important than precision

A: Understanding the terms Bias : It refers to the difference between the mathematical expectation of a…

Q: Write aims of data classification ?

A: The Aims of data classification is as follows 1. It represents data concisely. 2. It helps to know…

Q: How does the number of attributes of a variable impact the number of cells in the cross-tabulation…

A: A cross-tabulation is a two- (or more) dimensional table that records the number (frequency) of…

Q: At the 2% level of significance, what is the decision?

A: Given : n1=10 , n2=10 , s1=22.4 , s2=12.0 , α=0.02 Our aim is to find the decision. Here , we use…

Q: Elaine is taking a 10 question multiple choice quiz. Each question is worth two points and is…

A: Generally,The range of a data set is the difference between the highest and lowest values in the set…

Q: one standart?

A: here use Empirical rule

Q: According to the graph and percentage, in which rating category are the most games sold?

A: The graph shows the relative frequency of the video games sold and pie chart shows the percentage of…

Q: Determine the percent of data greater than z= - 2.20.

A:

Q: Find U, V, W, and the percentage total of the shaded region.

A: Here use basics of standard normal distribution and empirical Rule

Q: an effect size of .17 would be considered

A: Effect size in research:In research, effect size is a quantitative measure of the magnitude of the…

Q: A group of college DJs surveyed students to find out what music to play for their upcoming party.…

A:

Q: What do you think will be the shape of the graph as we increase the number of sample does it remind…

A: Let n denote sample size.

Q: What would be a suitable chart type to show the proportions of the sales by products?

A: Bar chart:   Bar chart is the graphical way of representing the data values using bars…

Q: What does the shaded region represent? * U A C B AOC AMBAC Option 1 Option 2

A:

Q: 4% 6% Mid Atlantic 26% New England 43% O The number of students from the Midwest is 2% more than the…

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

Q: Elaine is taking a 10 question multiple choice quiz. Each question is worth two points and is…

A:

Q: Sarah is conducting a research only study in which one group of participants consume one cup of…

A: The study is about assessing attention levels of these participants.

Q: An effect size of .25 would be considered?

A: Solution:The conditions for the effect size are:If d <0.3, then the effect size is small.If…

Q: Examine the relationship by drawing the scatter diagram between "number of hours spend on reading…

A: Scatter diagram is used to find the relationship between the two numerical variables. Where each…

Q: What type of variable is highest education degree completed

A: Variables are of two types, they are qualitative and quantitative. Qualitative is also known as…

Q: How many rebounds did the Cavaliers player who scored the fewest points catch? Please enter your…

A: Given that,

Q: why do we need to study the variation of a collection of data?

A: Variation is nothing but the distance between the mean of the data from the data point…

Q: if the whale is 48 feet is it an outlier?

A: here use basic of Normal distribution

Q: The sum of 20 observations is 300 and its sum of square is 5,000 and median is 15. Find its…

A:

Q: Ten out of every 32 people surveyed play among use. What percent of people surveyed play among use

A: 31.25%   See the attachment

Q: There are three types of plot to choose from: boxplot, bar chart, and pie chart. Which of the plots…

A: Solution: Discrete variable: A variable is said to discrete if it is finite and countable. It…

Q: Anthony surveys a group of students at his school about whether they play a sport. This table shows…

A: It is a problem of conditional probability where we have to find whether two events are independent…

Q: Two other names for cross tabulations are and

A:

Q: A city in California spent $14 million repairing damage to its public buildings in 2017. The…

A: Solution: From the given information, a table of categories where the money was directed is The…

Q: When we say a study revealed a “difference in differences”, it means the independent variables…

A: Introduction: Main effect: Main effect is a simple effect of an independent variable on the response…

Q: Give 2 real-life situations where the concept of the measures of position of grouped data are used.…

A: We have to tell 2 real-life situations to understand the concept of measures of position of grouped…

Q: In a survey the maximum data point was 100 while the minimum data  point was 10. if the number of…

A:

Q: he stem and leaf plot best represents which set of data?

A:

Q: A group of friends compares how many comic books they have from DC. The set of data is given {2, 2,…

A: The interquartile range is the difference between the third quartile and the first quartile in a…

Q: Explain pairwise comparison?

A: A pairwise comparison is a statistical method that is used to evaluate relationships between pairs…

Q: Draw the scatter diagram and make a comment which student acts most different than others?

A: a) Steps for scatter plot in Excel: Enter the data for x and y in Excel sheet>Select the columns…

Q: Did promotion 2 lead to greater sales relative to the control (no promotion)?

A: Given information: The regression output is given.

Q: rcle graph represents the percent of choices to a local poll. If there were a of 60 people polled,…

A:

Q: Determine whether the data are qualitative or quantitative. 2) The colors of automobiles on a used…

A: Given that ; Determine whether the data are qualitative or quantitative.2) The colors of automobiles…

Q: How can I describe and differentiate the properties of the different measures of location?

A: measures of location :-Measures of location describe the central tendency of the data.Different…

Q: What is Gradation? What is Effective size? answer in 4 sentence only

A: 1. The particle size distribution of the coarse aggregate is termed as “Gradation”.

Q: A local school reports that the average GPA is 2.66 (σ =0.40). What is the effect size if the sample…

A: Given information- Population mean, µ = 2.66 Population standard deviation, σ = 0.40 Sample mean of…

Q: What do you think would help students pay more attention in class?

A: Here we want to know bias in survey question or not.

Q: Do you think working from home should be encouraged?

A:

Q: A landscape contractor bids on jobs where he can make $3000 profit. The relative ncy of getting 1,…

A: Given information: Given that the landscape contractor bids on jobs where he can make a profit of…