1. The school guidance counselor is interested in the mean IQ scores of all entering senior high school applicants in their school. From the recorded IQ scores of all applicants, she obtained a mean IQ of 105.

Q: Find Interquartile Range (IQR) for the following set of data: 22,32,37,33,33,40,39,47,38

A: We have given the data set: 22 32 37 33 33 40 39 47 38 n=9

Q: Find Interquartile Range (IQR) for the following set of data: 44,30,22,25,50,22,42,47,20

A: According to the given information in this question We need to find the inter quartile range for the…

Q: Can you please expain why population is discrete data

A: Now population data can either be; Qualitative data Quantitative data

Q: The "fishing" approach to data analysis refers to what?

A: " fishing" is a data mining  practice in which large volumes of data are analyzed seeking any…

Q: what is nominal (categorial) data?

A: Categorical data: The type of data that naturally take non-numerical values, such as words that can…

Q: What type of Data is being shown

A: Given the histogram which is a visual representation of the data given. We have to write which type…

Q: What is the role of displays in statistics?

A: There are mainly two types of displays in statistics, such as, graphical representation and table or…

Q: How is statistics used in information systems?

A: statistics is used for data mining ,speech recognition ,vision and image analysis ,data compression…

Q: Dr. Matos sampled her statistics classes and recorded whether each student worked full-time,…

A: Given: out of 20 students Did not work = 3 Worked Full-time = 10 Part time = 7

Q: Explain when can we use data grouping?

A: when the data is large, then the data grouping is used. The general way of handling continuous…

Q: Describe the four levels of data measurement, and provide examples of when each method might be…

A: Scales of measurement refer to ways in which variables/numbers are defined and categorized. Each…

Q: What do you mean by Panel Data?

A: Panel data: Panel data is a combination of quantities obtained over multiple individuals, which are…

Q: Accu-Copiers, Inc., sells and services the Accu-500 copying machine. As part of its standard service…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Create a data set of at least seven values that satisfies the condition median, mean,mode.

A: Data 2 5 7 8 10 10 10 24 12 12

Q: Explain the meaning of an element, a variable, an observation, and a data set.

A: In the context of statistics, an element is an object on which a measurement is taken. Elements are…

Q: How important is discrete mathematics for a Data analysis?

A: Answer given below.

Q: dentify the type of data that would be used when the variable of interest is most-watched TV show

A: Identify the type of data that would be used when the variable of interest is most-watched TV show.…

Q: Which one measure of central tendency should you report for the variable SOCIAL CLASS (1=lower,…

A: The measure of central tendency provides a measure about the center of the set of the observations.

Q: Mode can be more than one in a data set but medium cannot be.explain

A: Median: The median is the middle value in an ordered sequence of data. If there are no ties, half of…