May I ask for help for the following questions?
D Question 1 4 pts Consider the boxplot below. 38 What quarter has the smallest spread of data? Second What is that spread? 2 What quarter has the largest spread of data? Fourth What is that spread? 18 Find the Inter Quartile Range (IQR): [ Select ] Which interval has the most data in it? [ Select ] What value could represent the 53rd percentile? [ Select ] Hint e Video on Costructing and Interpreting Box Plots or Textbook Pages D Question 2 3 pts The histogram below shows the lengths of many spiders found on the forest floor. Frequency 80- Lengths of Spiders Found on the Forest Floor 40- 12 Length in mm Without calculating, what might be the standard deviation for this data? Hint c Textbook Pages 2 12 20 07 40 80D Question 3 3 pts The histogram below shows the distribution of a recent exam. 50 100 Score What might be the standard deviation for these exam scores? Hint Textbook Pages . 15 50 100 D Question 4 3 pts The average weight of a newborn German Shepherd is 485 g with a standard deviation of 57 g. The average weight of a Labrador Retriever is 282 g with a standard deviation of 21 g. The average weight of a Poodle is 176 grams with a standard deviation of 8 g. Rover the German Shepherd was born at 400 g, Max the Labrador Retriever was born at 240 g, and Fluffy the Poodle was born at 184 g. Which of these three puppies is the smallest relative to its breed? Hint Textbook Pages Max the Labrador Retriever Rover the German Shepherd Fluffy the PoodleD Question 5 3 pts A New York student, Alma, scored 135 points on her standardized state test that had a mean score of 115 and a standard deviation of 10. A Kansas student, Peter, scored 112 points on his standardized state test that had a mean score of 94 and a standard deviation of 6. A New Mexico student, Grace, scored 173 points on her standardized state test that had a mean score of 181 and a standard deviation of 8 points. Which student did the best relative to the rest of his or her state? Hint Textbook Pages Alma Peter Grace D Question 6 4 pts Twelve teachers attended a seminar on mathematical problem solving. Their attitudes were measured before and after the seminar. A positive number change attitude indicates that a teacher's attitude toward math became more positive. The twelve change scores are as follows: 3, 8, -1, 2, 0, 5, -3, 1, -1, 6, 5,-2 The mean is: [ Select ] " (Round to two decimal places). The sample standard deviation is: [ Select] (Round to two decimal places). The first quartile is: [ Select ] The median is: [Select ] The third quartile is: [ Select ] Find the change score that corresponds to 3 standard deviations above the mean. [Select ] "(Round to the nearest whole number). If a teacher experiences a change score of 4, how many standard deviations above the mean is this score? [ Select ] (Round to two decimal places). Hint e Video on Statistics and the TI 84 Calculator c Textbook PagesD Question 7 4 pts The statistics below describe the data collected by a business person who researched the amount of money 65 customers spent. . U = 27.52 . Median = 24.96 . 6 = 6.34 . First Quartile = 18.34 . Third Quartile = 35.72 . n = 65 A sample of 10 receipts is taken. What is the best prediction for the number of these receipts that were less than $24.96? [ Select ] 25% of all receipts were more than how much money? [ Select ] 25% of all receipts were less than how much money? [ Select ] What percent of all the receipts were between $18.34 and 35.72? [ Select ] percent. What is the population standard deviation? [ Select ] How many standard deviations below the mean is the first quartile? Round your answer to three decimal places. [ Select ] Hint Textbook Pages D Question 8 3 pts The statistics below describe the data collected that represents the number of calories in a single serving of cereal for 15 types of cereals. . u = 182 . Median = 186 . 6 = 15 . First Quartile = 172 . Third Quartile = 197 . n = 18 What is the IQR? Check all that apply. Hint c Textbook Pages The range that contains the middle half of the data The range between Q1 and Q3 172 to 197 The lower half of the data. 167 to 197 The range between sigma and mu Between O and 182