Colin is a student in a consumer mathematics class creating a report on the annual interest rates of savings accounts. He randomly selects 25 brick-and-mortar banks and 25 online banks and then records the annual interest rate for each financial institution. The results of the samples are provided in the accompanying data set. Colin found an interest rate of 2.15% from a brick-and-mortar bank and an online bank. For which type of bank is this interest rate a more unusual result, the brick-and-mortar bank or the online bank? Brick-and-mortar z​ -score:  ? Online bank z​ -score:  ? Use Excel to calculate the z-scores for an interest rate of 2.15% for each type of bank. Round to two decimal places.

Q: The values listed below are waiting times​ (in minutes) of customers at two different banks. At…

A: Note: Hi there! Thank you for posting the question. As the data submitted by you has repeated…

Q: A statistics professor made the following histogram for the scores on her class’s first exam.   If…

A: From the Histogram, the scores and the corresponding frequencies are, Given that the passing score…

Q: In planing for his children to go back to school Susan buys several items at a discount. Five items…

A: Given information: Five items at $1.29 each, three at $1.49 each, six at $1.79 and nine at $0.99.…

Q: See photo of detailed question please.

A:

Q: b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to…

A: Percentage O E (O-E)^2 (O-E)^2/E 0.32 270 284.16 200.5056 0.70561 0.25 229 222 49 0.22072 0.2…

Q: The data in the accompanying bar graph are from a random sample of 814 adults. The graph shows four…

A: We have a random sample of 814 adults.

Q: e director of library services at a college did a survey of types of books (by subject) in the…

A: Subject Area % Observerd Expected (O-E)^2 (O-E)^2/E Business 32% 299 284.16 220.2256 0.775006…

Q: There are 250 students in a class. (A) James is ranked 20th in the class. What is James’ percentile…

A:

Q: A local car dealership keeps records of complaints received from its customers. Complaints for last…

A: A local car dealership keeps records of complaints received from its customers. Complaints for last…

Q: Veterinarians often use nonsteroidal anti-inflammatory drugs (NSAIDs) to treat lameness in horses. A…

A: 1 ) Veterinarians often use nonsteroidal anti-inflammatory drugs (NSAIDs) to treat lameness in…

Q: If your grade for your AMDM class is computed the following way: Homework – 10% Quizzes – 10% Tests…

A:

Q: Identify the population and sample. In a random sample of Salinas residents, 137 said they would…

A: Population: The population in a statistical study is the entire group of individuals about which we…

Q: The owner of a local bar specializing in alternative music wanted to determine the average age of…

A: t 95% confidence level, the z value is 1.96 which can be obtained by using the standard normal…

Q: Part B. The absolute risk of getting diabetes in the UK if you are an obese adult is 63.4%. The…

A: Absolute risk of getting diabetes if you are an obese = 63.4% Absolute risk of getting diabetes if…

Q: A newspaper reported on the topics that teenagers most want to discuss with their parents. The…

A: From the provided information, Sample size (n) = 508 37% would like to talk about school so the…

Q: Jason has accumulated $397,749 in savings and wishes to invest this money sensibly. The types of…

A: Jason has accumulated .The pie chart indicates the types of investments and their corresponding…

Q: At a university 60% of students take a math course, 50% take an English course. Assume Math and…

A: It is given that at a university 60% of students take a math course, 50% take an English course. It…

Q: relationship between the size of the offering and the price per share.

A: We have Given Shah Rukh Khan is studying companies going public for the first time. He is…

Q: 2. Seven students got the following exam scores (percent correct) on a science exam: 0%, 40%, 50%,…

A: Given score are :0%, 40%, 50%, 65%, 75%, 90%, 100%.We have to calculate the 5th percentile.

Q: During year three, Pricilla starting collecting data on why people were buying dresses. She and the…

A: Given information: Wedding  Events Average Monthly Temperature  Year 3 Demand 2 1 32 212 0 0…

Q: 55% of high

A: Probability of participating = 0.55 Probability of playing in NCAA given participating = 0.05

Q: lecture(12.3): A statistics class is made up 32% in person learners  and has 24 in person learners.…

A:

Q: In Music, Linda scored 70%, and her score was at the 85th percentile.  In Art, Linda scored 95%,…

A: It is given that the stated person's scores (in percentage) in Music and Art are 70% and 95%…

Q: According to Zillow.com, the median sale price for homes in January for South Carolina, California,…

A: According to Zillow.com, the median sale price for homes in January for South Carolina, California,…

Q: Find another classmate’s initial post and write down the margin of error that they calculated. You…

A:

Q: A researcher wants to determine what proportion of all high school students plans to attend…

A: Obtain the critical value at 90% confidence level:It is given that the margin of error is 0.02. The…

Q: Jason has accumulated $397,749 in savings and wishes to invest this money sensibly. The types of…

A: Jason saving ammount=397749Jason saving ammount=397749 $ nbsp;

Q: Several years ago, two companies merged. One of the concerns after the merger was the increasing…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: what would be a careful interpretation of the 12% in the two-way table?

A:

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.