| Results from a recent survey with Get Food Now customers13%Firstinteractionsthat result7%3%in apurchase2%93%Customers'satisfied'with firstinteraction82%87%73%9%Preferred14%type ofinteraction38%39%4%FirstInteractionwith GetFood Now17%33%46%0%2%4%6%8%10% 12% 14% 16% 18% 20% 22% 24% 26% 28% 30% 32% 34% 36% 38% 40% 42% 44% 46% 48% 50% 52% 54% 56% 58% 60% 62% 64% 66% 68% 70% 72% 74% 76% 78% 80% 82% 84% 86% 88% 90% 92% 94%Based on a total of 15,000 interactions (across all types), how much would Get Food Now earn from app interactions only, if each order was worthan average of $45?Please type your answer below.

Let , consider Percentage of first interaction is 3% ( app interaction only ) = 0.03 total of…

Answered: I Results from a recent survey with Get…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A student has taken 4 area exams designed to measure particular intellectual abilities. The following table identifies each test, summarizes its characteristics, and provides the student’s score on it. Assume that the possible scores on each test are normally distributed. Area Test ? ? Student’s Score Verbal Ability 58.50 6.50 63.00 Visualization 110.00 15.00 102.50 Memory 85.00 11.50 98.00 Spatial Relations 320.00 33.50 343.00 a. Change each student’s score to its z-score equivalent b. On which test did the student score in the highest position? c. On which test did the student score in the lowest position? d. What is the percentile rank of the student’s Verbal Ability? e. What percentage of the students who took the Spatial Relations test scored higher than the student? f. Between what two scores on Memory did the middle 95% of students lie? g. What percent of students had scores between X = 95 and X = 110 on Visualization?
2
Course: StatisticsIn a study conducted, 3,000 people were surveyed, of which 2,400 work more than 40 hours a week and of these, it has been established that 70% suffer from some sleep disorder, while of those who work less than 40 hours, ONLY 35% suffer from some disorder. According to these data, it is correct to state that:I. 1,890 of respondents suffer from sleep disorders.II. 390 people are those who work less than 40 hours a week and do NOT suffer from sleep disorders.III. 37% of the people studied do NOT suffer from sleep disorders.Select one:a. Only Ib. Only IIc. Only IIId. I and IIIe. I, II and III
Part II. A medical clinic has collected the following data on patient category and health state of 300 patients. health state Women patient category Men Children Severe 20 30 25 Non-severe 100 75 50 One of these patients is selected at random. Let W= the patient is a woman; M = the patient is a man; C = the patient is a child; S = the patient's health state is severe; and N= the patient's health state is non-severe. 1. Find P(S n W). Are S and W mutually exclusive? Why 2. Find P(N UC).. 3. Find P(WIN). Are W and N independent? Why? (
2. A researcher conducts a study examining the effectiveness of a group exercise program at an assisted living facility for elderly adults. One group of residents is selected to participate in the program, and a second group serves as a control. After 6 weeks, the researcher records a combined score measuring balance and strength for each individual. The data are as follows: Control n = 10 M = 12 SS = 120.5 Exercise n = 15 M = 15.5 SS = 190.0 Conduct the four steps for hypothesis testing and label a. Use a two-tailed test with a = .05. each step: Step1, Step 2, Step 3, and Step 4. b. Calculate Cohen's d. c. Are the data sufficient to conclude that thier is a significant difference? Write your answer in the form of a sentence.
A researcher is studying the effects of choices made by students entering middle school on future SAT outcomes. The researcher records the math course that the student enrolls in upon entering the sixth grade. The researcher uses SAT data for the same group of students, grouping students by college readiness. The data is displayed below. College+Ready Likely+College+Ready Not+College+Ready Grade-level 20 96 85 Honors 48 134 101 Accelerated 8 23 16 Do the data suggest that sixth grade math enrollment and SAT college readiness are related? Use a 5% level of significance. a. Calculate the p-value (Rounded to 4 or more decimal places):____________ b. If the two variables were independent, what is the expected number of students who entered sixth grade in an honors math class and who obtained college ready designation based on the SAT?______________Rounded to 2 decimal places) c. What is the contribution to the chi-squared test statistic for this cell (from part…
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As suggested in your assigned readings this week, researchers in psychology who are attempting to make a causal claim typically prioritize ________ over ___________ validity. Group of answer choices internal; external internal; statistical external; internal construct; internal
This problem demonstrates a possible (though rare) situation that can occur with group comparisons. The groups are sections and the dependent variable is an exam score. Section 1 Section 2 Section 3 F= 60.5 62.5 76.8 68.3 59.4 71.1 73.1 67.4 54.4 p= 49.5 76 57.7 56.7 33.7 60.5 50.4 72.4 36.3 59.7 70.9 56 73.4 66.8 64.2 Run a one-way ANOVA (fixed effect) with a = 0.05. Round the F-ratio to three decimal places and the p- value to four decimal places. Assume all population and ANOVA requirements are met. 66 67.4 62.9 What is the conclusion from the ANOVA? O reject the null hypothesis: at least one of the group means is different fail to reject the null hypothesis: not enough evidence to suggest the group means are different
5 8 Mulitple Choice Identify the type of causal relationship for the example below: "Leadership ability is strongly correlated with academic achievement in high school" A) accidental B) presumed relationship C) cause-and-effect D) reverse cause-and-effect
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