For a 10 point quiz, the professor recorded the following scores for 8 students: 7, 8, 3, 9, 10, 6, 8, 5 What is the Mean for this set of scores? 8.0 O 1.5 O 7.0

Can you please help with all 3 parts of this question: To test for a relationship between gender and souvenir shopping, a survey of more than 2,000 tourists was conducted. One question asked how often a tourist purchases photographs, postcards, or paintings of the region visited. Responses were recorded as “always”, “often”, “occasionally”, or “rarely or never”. The table shows the number of tourists responding in each category by gender.   Male Female Aways 275 445 Often 420 500 Occasionally 390 425 Rarely or never 305 230 a. Give the marginal distribution of responses. b. Give the conditional distribution of responses for each gender. Do you think there is a relationship between gender and souvenir purchase frequency? c. Test for a relationship between gender and souvenir purchase frequency at a significance level of 0.1.

The pass result of 50 students who took up a test is given below : Marks No. of students 4 5 10 6 9 7 6 8 4 8 3 If the average marks of all the 50 students were 5 16, find out the average marks of the students who failed.

1. A new brand of chocolate bar is being market tested. Four hundred of the new chocolate bars were given to consumers to try. The consumers were asked whether they liked or disliked the chocolate bar. You are given their responses below. A Response Frequency Liked 360 Disliked 40 Total 400

Important: This question continues from the previous two questions and onto the following two questions. A Rasmussen Reports national survey of 1000 random adult Americans found that 6% felt that Saint Patrick's Day was one of our nation's most important holidays. From the previous question, input the calculated number of successes and number of failures. Show your work on your scratch paper. The number of successes is The number of failures is .Write your answer as a whole number. . Write your answer as a whole number.

Read the following prompt and complete 1.a, 1.e, 1.f

th Last year over 8000 students took an entrance exam at a certain state university. Tom's score was at the 55 percentile. Leila's score was at the 86 percentile. (a) Which of the following must be true about Tom's and Leila's scores? O Tom scored higher than Leila. O Both Tom and Leila scored higher than the median. O Leila answered 31 more questions correctly than Tom. O Tom's and Leila's scores were both in the bottom half of all scores. (b) Which of the following must be true about Tom's score? O Tom scored lower than about 55% of the students who took the exam. O Tom got about 55% of the questions correct. Tom scored higher than about 55% of the students who took the exam. Tom got about 55% of the questions wrong. Submit Assignme Continue iert 144 %23 4. 6. 8 R Y U H K L A. D paus V. B M alt ctri alt USE YOUR Dew de LL

The dean at a large college wants to determine the average SAT scores for students who apply from New York. She surveyed 80 students from New York and discovered a mean SAT score of 1,512. Which of the statements below represent the statistic and the sample, respectively, of the survey?  I. The mean SAT score of all students from New YorkII. The mean SAT score of 80 students from New YorkIII. The 80 students who apply to the college from New YorkIV. All students who apply to the college from New York a Statements I and II b Statements II and III c Statements I and IV d Statements II and IV

I can't understand why the data is the percentage of surveyed parents.

Your averages and values are the following: Test average = 85 Homework 90 Participation = 95 What grade do you need on the final exam to earn a final grade average of at least 89 in grading system 2? Grading System 2 Test average-35% Final exam grade-25% Homework-15% Class participation -25% 2