Question

In: Statistics and Probability

Find the Standard Score (z-score) round to 2 decimal places and the standard deviation Option Amazon...

Find the Standard Score (z-score) round to 2 decimal places and the standard deviation

Option

Amazon Description of Item

Price

Standard Score (z-score)

(round to 2 decimal places)

1

Beginner Acoustic Guitar Set

$84.99

2

Brazilian Double Hammock

$27.99

3

MMIZOO Resistance Loop Exercise Bands

(set of 5)

$9.99

4

Big and Tall Office Chair

$185.99

5

Adjustable Laptop Bedstand Table

$32.98

6

HP Envy Pro 6455 Wireless All-in-One Printer

$149.99

7

Apple Watch Series 3

$169.00

8

Waterproof Portable Bluetooth Speaker

$79.90

9

Ninja Air Fryer

$99.99

10

Breakfast Sandwich Maker

$24.99

Solutions

Expert Solution

The standard deviation and the mean comes out to be -

mean 86.58
S.D 60.74

The z-score can be calculated using -

Options Amazon Description of Item Price Standard score
1 Beginner Acoustic Guitar Set 84.99 -0.03
2 Brazilian Double Hammock 27.99 -0.96
3 MMIZOO Resistance Loop Exercise Bands(set of 5) 9.99 -1.26
4 Big and Tall Office Chair 185.99 1.64
5 Adjustable Laptop Bedstand Table 32.98 -0.88
6 HP Envy Pro 6455 Wireless All-in-One Printer 149.99 1.04
7 Apple Watch Series 3 169 1.36
8 Waterproof Portable Bluetooth Speaker 79.9 -0.11
9 Ninja Air Fryer 99.99 0.22
10 Breakfast Sandwich Maker 24.99 -1.01

orchestra answered 1 year ago
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